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102102221011110 = 23510647533196429
BaseRepresentation
bin10111001101110010000110…
…100111010011100010100110
3111101111212200100000202222020
4113031302012213103202212
5101340320322034323420
61001053040210444010
730335433134665005
oct2715620647234246
9441455610022866
10102102221011110
112a595343a63631
12b550117293606
1344c8276396ab8
141b2dab96acc3c
15bc0da69a4340
hex5cdc869d38a6

102102221011110 has 32 divisors (see below), whose sum is σ = 245045637231840. Its totient is φ = 27227224846848.

The previous prime is 102102221011099. The next prime is 102102221011117. The reversal of 102102221011110 is 11110122201201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102102221011110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102221011117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30344376 + ... + 33540804.

It is an arithmetic number, because the mean of its divisors is an integer number (7657676163495).

Almost surely, 2102102221011110 is an apocalyptic number.

102102221011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102221011110 is an abundant number, since it is smaller than the sum of its proper divisors (142943416220730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102102221011110 is a wasteful number, since it uses less digits than its factorization.

102102221011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261192.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102102221011110 its reverse (11110122201201), we get a palindrome (113212343212311).

The spelling of 102102221011110 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-one million, eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1064753 2129506 3194259 3196429 5323765 6388518 6392858 9589287 10647530 15971295 15982145 19178574 31942590 31964290 47946435 95892870 3403407367037 6806814734074 10210222101111 17017036835185 20420444202222 34034073670370 51051110505555 102102221011110