21010310232222 has 16 divisors (see below), whose sum is σ = 42030556817040. Its totient is φ = 7001780685312.

The previous prime is 21010310232199. The next prime is 21010310232257. The reversal of 21010310232222 is 22223201301012.

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, 413987203 + ... + 414037950.

It is an arithmetic number, because the mean of its divisors is an integer number (2626909801065).

Almost surely, 2^{21010310232222} is an apocalyptic number.

21010310232222 is an abundant number, since it is smaller than the sum of its proper divisors (21020246584818).

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

21010310232222 is a wasteful number, since it uses less digits than its factorization.

21010310232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828029387.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21010310232222 its reverse (22223201301012), we get a palindrome (43233511533234).

The spelling of 21010310232222 in words is "twenty-one trillion, ten billion, three hundred ten million, two hundred thirty-two thousand, two hundred twenty-two".