21210231103022 has 16 divisors (see below), whose sum is σ = 34267444651440. Its totient is φ = 9787976392512.

The previous prime is 21210231102971. The next prime is 21210231103031. The reversal of 21210231103022 is 22030113201212.

It is a junction number, because it is equal to n+sod(n) for n = 21210231102985 and 21210231103003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56519372 + ... + 56893407.

It is an arithmetic number, because the mean of its divisors is an integer number (2141715290715).

Almost surely, 2^{21210231103022} is an apocalyptic number.

21210231103022 is a deficient number, since it is larger than the sum of its proper divisors (13057213548418).

21210231103022 is a wasteful number, since it uses less digits than its factorization.

21210231103022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113419987.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21210231103022 its reverse (22030113201212), we get a palindrome (43240344304234).

The spelling of 21210231103022 in words is "twenty-one trillion, two hundred ten billion, two hundred thirty-one million, one hundred three thousand, twenty-two".