102010122221121 has 12 divisors (see below), whose sum is σ = 150774650932048. Its totient is φ = 66425195864664.

The previous prime is 102010122221113. The next prime is 102010122221149. The reversal of 102010122221121 is 121122221010201.

102010122221121 is a `hidden beast` number, since 1 + 0 + 201 + 0 + 122 + 221 + 121 = 666.

It is not a de Polignac number, because 102010122221121 - 2³ = 102010122221113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102010122221094 and 102010122221103.

It is not an unprimeable number, because it can be changed into a prime (102010122221101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131796023155 + ... + 131796023928.

Almost surely, 2^{102010122221121} is an apocalyptic number.

It is an amenable number.

102010122221121 is a deficient number, since it is larger than the sum of its proper divisors (48764528710927).

102010122221121 is a wasteful number, since it uses less digits than its factorization.

102010122221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263592047132 (or 263592047129 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102010122221121 its reverse (121122221010201), we get a palindrome (223132343231322).

The spelling of 102010122221121 in words is "one hundred two trillion, ten billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".