21022031113210 has 32 divisors (see below), whose sum is σ = 39075651459072. Its totient is φ = 8134360141440.

The previous prime is 21022031113163. The next prime is 21022031113283. The reversal of 21022031113210 is 1231113022012.

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, 12544939 + ... + 14121598.

It is an arithmetic number, because the mean of its divisors is an integer number (1221114108096).

Almost surely, 2^{21022031113210} is an apocalyptic number.

21022031113210 is a deficient number, since it is larger than the sum of its proper divisors (18053620345862).

21022031113210 is a wasteful number, since it uses less digits than its factorization.

21022031113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26669118.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21022031113210 its reverse (1231113022012), we get a palindrome (22253144135222).

The spelling of 21022031113210 in words is "twenty-one trillion, twenty-two billion, thirty-one million, one hundred thirteen thousand, two hundred ten".