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102221021012113 = 831231578566411
BaseRepresentation
bin10111001111100000101111…
…101001010110000010010001
3111101221020022201012010022101
4113033200233221112002101
5101344242122334341423
61001223404435040401
730350140123225033
oct2717405751260221
9441836281163271
10102221021012113
112a630767512743
12b56b151140101
134506529a8a293
141b357494c5c53
15bc400b41e7ad
hex5cf82fa56091

102221021012113 has 4 divisors (see below), whose sum is σ = 103452599578608. Its totient is φ = 100989442445620.

The previous prime is 102221021012057. The next prime is 102221021012189. The reversal of 102221021012113 is 311210120122201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102221021012113 - 241 = 100021997756561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221021018113) 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 3 ways as a sum of consecutive naturals, for example, 615789283123 + ... + 615789283288.

It is an arithmetic number, because the mean of its divisors is an integer number (25863149894652).

Almost surely, 2102221021012113 is an apocalyptic number.

It is an amenable number.

102221021012113 is a deficient number, since it is larger than the sum of its proper divisors (1231578566495).

102221021012113 is an equidigital number, since it uses as much as digits as its factorization.

102221021012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231578566494.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 102221021012113 its reverse (311210120122201), we get a palindrome (413431141134314).

The spelling of 102221021012113 in words is "one hundred two trillion, two hundred twenty-one billion, twenty-one million, twelve thousand, one hundred thirteen".

Divisors: 1 83 1231578566411 102221021012113