21112000010 has 8 divisors (see below), whose sum is σ = 38001600036. Its totient is φ = 8444800000.

The previous prime is 21111999947. The next prime is 21112000097. The reversal of 21112000010 is 1000021112.

It can be written as a sum of positive squares in 2 ways, for example, as 18044280241 + 3067719769 = 134329^2 + 55387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055599991 + ... + 1055600010.

Almost surely, 2^21112000010 is an apocalyptic number.

21112000010 is a deficient number, since it is larger than the sum of its proper divisors (16889600026).

21112000010 is a wasteful number, since it uses less digits than its factorization.

21112000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111200008.

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

Adding to 21112000010 its reverse (1000021112), we get a palindrome (22112021122).

The spelling of 21112000010 in words is "twenty-one billion, one hundred twelve million, ten", and thus it is an aban number.