21010000110022 has 16 divisors (see below), whose sum is σ = 39291428777472. Its totient is φ = 8185714328520.

The previous prime is 21010000109963. The next prime is 21010000110041. The reversal of 21010000110022 is 22001100001012.

It is a junction number, because it is equal to n+sod(n) for n = 21010000109990 and 21010000110008.

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, 68214285918 + ... + 68214286225.

It is an arithmetic number, because the mean of its divisors is an integer number (2455714298592).

Almost surely, 2^{21010000110022} is an apocalyptic number.

21010000110022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21010000110022 is a deficient number, since it is larger than the sum of its proper divisors (18281428667450).

21010000110022 is a wasteful number, since it uses less digits than its factorization.

21010000110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136428572163.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21010000110022 its reverse (22001100001012), we get a palindrome (43011100111034).

The spelling of 21010000110022 in words is "twenty-one trillion, ten billion, one hundred ten thousand, twenty-two".