21110011022 has 16 divisors (see below), whose sum is σ = 31766306112. Its totient is φ = 10521270240.

The previous prime is 21110010983. The next prime is 21110011049. The reversal of 21110011022 is 22011001112.

It is a super-2 number, since 2×21110011022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21110010994 and 21110011012.

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, 1918328 + ... + 1929300.

It is an arithmetic number, because the mean of its divisors is an integer number (1985394132).

Almost surely, 2^21110011022 is an apocalyptic number.

21110011022 is a deficient number, since it is larger than the sum of its proper divisors (10656295090).

21110011022 is a wasteful number, since it uses less digits than its factorization.

21110011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21110011022 its reverse (22011001112), we get a palindrome (43121012134).

The spelling of 21110011022 in words is "twenty-one billion, one hundred ten million, eleven thousand, twenty-two".