21302011110 has 32 divisors (see below), whose sum is σ = 52506581472. Its totient is φ = 5527008000.

The previous prime is 21302011091. The next prime is 21302011121. The reversal of 21302011110 is 1111020312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9594391 + ... + 9596610.

It is an arithmetic number, because the mean of its divisors is an integer number (1640830671).

Almost surely, 2^21302011110 is an apocalyptic number.

21302011110 is an abundant number, since it is smaller than the sum of its proper divisors (31204570362).

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

21302011110 is a wasteful number, since it uses less digits than its factorization.

21302011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19191048.

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

Adding to 21302011110 its reverse (1111020312), we get a palindrome (22413031422).

The spelling of 21302011110 in words is "twenty-one billion, three hundred two million, eleven thousand, one hundred ten".