21322022110 has 32 divisors (see below), whose sum is σ = 40411942560. Its totient is φ = 8077459968.

The previous prime is 21322022101. The next prime is 21322022123. The reversal of 21322022110 is 1122022312.

It is a happy number.

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, 682594 + ... + 713146.

It is an arithmetic number, because the mean of its divisors is an integer number (1262873205).

Almost surely, 2^21322022110 is an apocalyptic number.

21322022110 is a deficient number, since it is larger than the sum of its proper divisors (19089920450).

21322022110 is a wasteful number, since it uses less digits than its factorization.

21322022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34252.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21322022110 its reverse (1122022312), we get a palindrome (22444044422).

It can be divided in two parts, 2132202 and 2110, that added together give a palindrome (2134312).

The spelling of 21322022110 in words is "twenty-one billion, three hundred twenty-two million, twenty-two thousand, one hundred ten".