21301123113210 has 64 divisors (see below), whose sum is σ = 51438267713664. Its totient is φ = 5645312736000.

The previous prime is 21301123113209. The next prime is 21301123113211. The reversal of 21301123113210 is 1231132110312.

It is an interprime number because it is at equal distance from previous prime (21301123113209) and next prime (21301123113211).

It is not an unprimeable number, because it can be changed into a prime (21301123113211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2037112 + ... + 6837548.

It is an arithmetic number, because the mean of its divisors is an integer number (803722933026).

Almost surely, 2^{21301123113210} is an apocalyptic number.

21301123113210 is an abundant number, since it is smaller than the sum of its proper divisors (30137144600454).

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

21301123113210 is a wasteful number, since it uses less digits than its factorization.

21301123113210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801359.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21301123113210 its reverse (1231132110312), we get a palindrome (22532255223522).

The spelling of 21301123113210 in words is "twenty-one trillion, three hundred one billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred ten".