10002121010 has 16 divisors (see below), whose sum is σ = 20575791936. Its totient is φ = 3429298608.

The previous prime is 10002121007. The next prime is 10002121027. The reversal of 10002121010 is 1012120001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71443652 + ... + 71443791.

It is an arithmetic number, because the mean of its divisors is an integer number (1285986996).

Almost surely, 2^10002121010 is an apocalyptic number.

10002121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10002121010 is an abundant number, since it is smaller than the sum of its proper divisors (10573670926).

10002121010 is a wasteful number, since it uses less digits than its factorization.

10002121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142887457.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10002121010 its reverse (1012120001), we get a palindrome (11014241011).

The spelling of 10002121010 in words is "ten billion, two million, one hundred twenty-one thousand, ten".