21113000023010 has 24 divisors (see below), whose sum is σ = 44208036783900. Its totient is φ = 7238742864864.

The previous prime is 21113000023007. The next prime is 21113000023109. The reversal of 21113000023010 is 1032000031112.

It can be written as a sum of positive squares in 2 ways, for example, as 21083185439449 + 29814583561 = 4591643^2 + 172669^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21543877085 + ... + 21543878064.

Almost surely, 2^{21113000023010} is an apocalyptic number.

21113000023010 is an abundant number, since it is smaller than the sum of its proper divisors (23095036760890).

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

21113000023010 is a wasteful number, since it uses less digits than its factorization.

21113000023010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43087755170 (or 43087755163 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21113000023010 its reverse (1032000031112), we get a palindrome (22145000054122).

The spelling of 21113000023010 in words is "twenty-one trillion, one hundred thirteen billion, twenty-three thousand, ten".