21022302110 has 16 divisors (see below), whose sum is σ = 38319134400. Its totient is φ = 8302478496.

The previous prime is 21022302089. The next prime is 21022302131. The reversal of 21022302110 is 1120322012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21022302089) and next prime (21022302131).

It is a super-2 number, since 2×21022302110² (a number of 21 digits) contains 22 as substring.

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, 13304465 + ... + 13306044.

It is an arithmetic number, because the mean of its divisors is an integer number (2394945900).

Almost surely, 2^21022302110 is an apocalyptic number.

21022302110 is a deficient number, since it is larger than the sum of its proper divisors (17296832290).

21022302110 is a wasteful number, since it uses less digits than its factorization.

21022302110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26610595.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21022302110 its reverse (1120322012), we get a palindrome (22142624122).

The spelling of 21022302110 in words is "twenty-one billion, twenty-two million, three hundred two thousand, one hundred ten".