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102201102011021 = 1331782932392483
BaseRepresentation
bin10111001111001110001100…
…011000011000101010001101
3111101212022220112002000200012
4113033032030120120222031
5101343430324103323041
61001210312121443005
730345533403424406
oct2717161430305215
9441768815060605
10102201102011021
112a623275787372
12b567312340465
1345046a41025c0
141b347b9c869ad
15bc37428533eb
hex5cf38c618a8d

102201102011021 has 16 divisors (see below), whose sum is σ = 113627651074560. Its totient is φ = 91284605674560.

The previous prime is 102201102010963. The next prime is 102201102011053. The reversal of 102201102011021 is 120110201102201.

It is a cyclic number.

It is not a de Polignac number, because 102201102011021 - 222 = 102201097816717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102201102010987 and 102201102011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201102011321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13041155 + ... + 19351328.

It is an arithmetic number, because the mean of its divisors is an integer number (7101728192160).

Almost surely, 2102201102011021 is an apocalyptic number.

It is an amenable number.

102201102011021 is a deficient number, since it is larger than the sum of its proper divisors (11426549063539).

102201102011021 is a wasteful number, since it uses less digits than its factorization.

102201102011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32400356.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102201102011021 its reverse (120110201102201), we get a palindrome (222311303113222).

The spelling of 102201102011021 in words is "one hundred two trillion, two hundred one billion, one hundred two million, eleven thousand, twenty-one".

Divisors: 1 13 31 403 7829 101777 242699 3155087 32392483 421102279 1004166973 13054170649 253600749407 3296809742291 7861623231617 102201102011021