10122121002 has 48 divisors (see below), whose sum is σ = 23707576800. Its totient is φ = 2872612512.

The previous prime is 10122120989. The next prime is 10122121057. The reversal of 10122121002 is 20012122101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71728 + ... + 159339.

It is an arithmetic number, because the mean of its divisors is an integer number (493907850).

Almost surely, 2^10122121002 is an apocalyptic number.

10122121002 is an abundant number, since it is smaller than the sum of its proper divisors (13585455798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10122121002 is a wasteful number, since it uses less digits than its factorization.

10122121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231235 (or 231228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10122121002 its reverse (20012122101), we get a palindrome (30134243103).

The spelling of 10122121002 in words is "ten billion, one hundred twenty-two million, one hundred twenty-one thousand, two".