102120121100122 has 32 divisors (see below), whose sum is σ = 163844640668304. Its totient is φ = 47566773888000.

The previous prime is 102120121100093. The next prime is 102120121100197. The reversal of 102120121100122 is 221001121021201.

It can be written as a sum of positive squares in 8 ways, for example, as 95475743626561 + 6644377473561 = 9771169^2 + 2577669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102120121100096 and 102120121100105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7363672 + ... + 16076812.

Almost surely, 2^{102120121100122} is an apocalyptic number.

102120121100122 is a deficient number, since it is larger than the sum of its proper divisors (61724519568182).

102120121100122 is a wasteful number, since it uses less digits than its factorization.

102120121100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716674.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102120121100122 its reverse (221001121021201), we get a palindrome (323121242121323).

The spelling of 102120121100122 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty-one million, one hundred thousand, one hundred twenty-two".