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102100131223211 = 11131503627722441
BaseRepresentation
bin10111001101110000001010…
…000011011001011010101011
3111101111200021200201112220102
4113031300022003121122223
5101340302032043120321
61001052052555220015
730335330301042632
oct2715601203313253
9441450250645812
10102100131223211
112a59447136aaa0
12b54b83344760b
1344c8002443204
141b2d95bd20519
15bc0cd32a7c0b
hex5cdc0a0d96ab

102100131223211 has 32 divisors (see below), whose sum is σ = 112478258382336. Its totient is φ = 91907902944000.

The previous prime is 102100131223187. The next prime is 102100131223229. The reversal of 102100131223211 is 112322131001201.

It is a de Polignac number, because none of the positive numbers 2k-102100131223211 is a prime.

It is a super-2 number, since 2×1021001312232112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102100131223261) 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, 4549702751 + ... + 4549725191.

It is an arithmetic number, because the mean of its divisors is an integer number (3514945574448).

Almost surely, 2102100131223211 is an apocalyptic number.

102100131223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102100131223211 is a deficient number, since it is larger than the sum of its proper divisors (10378127159125).

102100131223211 is a wasteful number, since it uses less digits than its factorization.

102100131223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29363.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102100131223211 its reverse (112322131001201), we get a palindrome (214422262224412).

The spelling of 102100131223211 in words is "one hundred two trillion, one hundred billion, one hundred thirty-one million, two hundred twenty-three thousand, two hundred eleven".

Divisors: 1 11 131 503 1441 5533 6277 22441 65893 69047 246851 724823 822287 2939771 3157331 9045157 11287823 32337481 34730641 124166053 140862157 413610361 1478704813 1549483727 4549713971 16265752943 18452942567 70853664971 202982368237 779390314681 9281830111201 102100131223211