21122410210 has 64 divisors (see below), whose sum is σ = 42033043584. Its totient is φ = 7578112000.

The previous prime is 21122410147. The next prime is 21122410229. The reversal of 21122410210 is 1201422112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11110260 + ... + 11112160.

It is an arithmetic number, because the mean of its divisors is an integer number (656766306).

Almost surely, 2^21122410210 is an apocalyptic number.

21122410210 is a deficient number, since it is larger than the sum of its proper divisors (20910633374).

21122410210 is a wasteful number, since it uses less digits than its factorization.

21122410210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21122410210 its reverse (1201422112), we get a palindrome (22323832322).

The spelling of 21122410210 in words is "twenty-one billion, one hundred twenty-two million, four hundred ten thousand, two hundred ten".