21022110120011 has 128 divisors (see below), whose sum is σ = 29104137216000. Its totient is φ = 14655255552000.

The previous prime is 21022110120001. The next prime is 21022110120029. The reversal of 21022110120011 is 11002101122012.

It is not a de Polignac number, because 21022110120011 - 2¹⁴ = 21022110103627 is a prime.

It is a super-2 number, since 2×21022110120011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21022110120001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4521854015 + ... + 4521858663.

It is an arithmetic number, because the mean of its divisors is an integer number (227376072000).

Almost surely, 2^{21022110120011} is an apocalyptic number.

21022110120011 is a deficient number, since it is larger than the sum of its proper divisors (8082027095989).

21022110120011 is a wasteful number, since it uses less digits than its factorization.

21022110120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21022110120011 its reverse (11002101122012), we get a palindrome (32024211242023).

The spelling of 21022110120011 in words is "twenty-one trillion, twenty-two billion, one hundred ten million, one hundred twenty thousand, eleven".