21101303022 has 16 divisors (see below), whose sum is σ = 42209404752. Its totient is φ = 7032634560.

The previous prime is 21101303017. The next prime is 21101303053. The reversal of 21101303022 is 22030310112.

It is a junction number, because it is equal to n+sod(n) for n = 21101302992 and 21101303010.

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, 242479 + ... + 317802.

It is an arithmetic number, because the mean of its divisors is an integer number (2638087797).

Almost surely, 2^21101303022 is an apocalyptic number.

21101303022 is an abundant number, since it is smaller than the sum of its proper divisors (21108101730).

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

21101303022 is a wasteful number, since it uses less digits than its factorization.

21101303022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566563.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21101303022 its reverse (22030310112), we get a palindrome (43131613134).

The spelling of 21101303022 in words is "twenty-one billion, one hundred one million, three hundred three thousand, twenty-two".