102200122022121 has 8 divisors (see below), whose sum is σ = 151407588180960. Its totient is φ = 68133414681396.

The previous prime is 102200122022113. The next prime is 102200122022147. The reversal of 102200122022121 is 121220221002201.

It is a happy number.

102200122022121 is a `hidden beast` number, since 1 + 0 + 2 + 200 + 1 + 220 + 221 + 21 = 666.

It is not a de Polignac number, because 102200122022121 - 2³ = 102200122022113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102200122022094 and 102200122022103.

It is not an unprimeable number, because it can be changed into a prime (102200122022111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892594852235 + ... + 1892594852288.

It is an arithmetic number, because the mean of its divisors is an integer number (18925948522620).

Almost surely, 2^{102200122022121} is an apocalyptic number.

It is an amenable number.

102200122022121 is a deficient number, since it is larger than the sum of its proper divisors (49207466158839).

102200122022121 is an equidigital number, since it uses as much as digits as its factorization.

102200122022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785189704532 (or 3785189704526 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102200122022121 its reverse (121220221002201), we get a palindrome (223420343024322).

The spelling of 102200122022121 in words is "one hundred two trillion, two hundred billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty-one".