21101030000022 has 32 divisors (see below), whose sum is σ = 48234411684864. Its totient is φ = 6028429968000.

The previous prime is 21101030000021. The next prime is 21101030000081. The reversal of 21101030000022 is 22000003010112.

It is a junction number, because it is equal to n+sod(n) for n = 21101029999962 and 21101030000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101030000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17567854 + ... + 18730497.

It is an arithmetic number, because the mean of its divisors is an integer number (1507325365152).

Almost surely, 2^{21101030000022} is an apocalyptic number.

21101030000022 is an abundant number, since it is smaller than the sum of its proper divisors (27133381684842).

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

21101030000022 is a wasteful number, since it uses less digits than its factorization.

21101030000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36312204.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21101030000022 its reverse (22000003010112), we get a palindrome (43101033010134).

The spelling of 21101030000022 in words is "twenty-one trillion, one hundred one billion, thirty million, twenty-two", and thus it is an aban number.