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100201200202121 = 19233479180126237
BaseRepresentation
bin10110110010000111101000…
…111100011011000110001001
3111010210010210220222210120112
4112302013220330123012021
5101113144024222431441
6553035443525204105
730051204102505634
oct2662075074330611
9433703726883515
10100201200202121
1129a220aa301a57
12b2a37b7260635
1343bac17cca595
141aa5a9a476c1b
15b8b6e32be4eb
hex5b21e8f1b189

100201200202121 has 32 divisors (see below), whose sum is σ = 106211759846400. Its totient is φ = 94266745574400.

The previous prime is 100201200202091. The next prime is 100201200202133. The reversal of 100201200202121 is 121202002102001.

It is a cyclic number.

It is not a de Polignac number, because 100201200202121 - 210 = 100201200201097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100201200202096 and 100201200202105.

It is not an unprimeable number, because it can be changed into a prime (100201200202421) 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 31 ways as a sum of consecutive naturals, for example, 3819066815 + ... + 3819093051.

It is an arithmetic number, because the mean of its divisors is an integer number (3319117495200).

Almost surely, 2100201200202121 is an apocalyptic number.

It is an amenable number.

100201200202121 is a deficient number, since it is larger than the sum of its proper divisors (6010559644279).

100201200202121 is a wasteful number, since it uses less digits than its factorization.

100201200202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28769.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100201200202121 its reverse (121202002102001), we get a palindrome (221403202304122).

The spelling of 100201200202121 in words is "one hundred trillion, two hundred one billion, two hundred million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 19 233 479 1801 4427 9101 26237 34219 111607 419633 498503 862679 2120533 6113221 7973027 12567523 16390901 47252837 116151199 201004207 238782937 897803903 2928232859 3819079933 11009911021 22634108923 55636424321 209188309399 430048069537 5273747379059 100201200202121