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102101111201111 = 1111382140877877
BaseRepresentation
bin10111001101110001000100…
…011101101101110101010111
3111101111202210222201120212012
4113031301010131231311113
5101340311033431413421
61001052334123414435
730335363500523231
oct2715610435556527
9441452728646765
10102101111201111
112a594924558990
12b54ba6768441b
1344c812a48cba9
141b2da12139251
15bc0d3e33195b
hex5cdc4476dd57

102101111201111 has 8 divisors (see below), whose sum is σ = 112368720937104. Its totient is φ = 91997783221120.

The previous prime is 102101111201107. The next prime is 102101111201249. The reversal of 102101111201111 is 111102111101201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102101111201111 - 22 = 102101111201107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101111231111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41070437696 + ... + 41070440181.

It is an arithmetic number, because the mean of its divisors is an integer number (14046090117138).

Almost surely, 2102101111201111 is an apocalyptic number.

102101111201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102101111201111 is a deficient number, since it is larger than the sum of its proper divisors (10267609735993).

102101111201111 is a wasteful number, since it uses less digits than its factorization.

102101111201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82140878001.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 102101111201111 its reverse (111102111101201), we get a palindrome (213203222302312).

The spelling of 102101111201111 in words is "one hundred two trillion, one hundred one billion, one hundred eleven million, two hundred one thousand, one hundred eleven".

Divisors: 1 11 113 1243 82140877877 903549656647 9281919200101 102101111201111