22012111002021 has 16 divisors (see below), whose sum is σ = 33651522584064. Its totient is φ = 12537377319024.

The previous prime is 22012111002017. The next prime is 22012111002059. The reversal of 22012111002021 is 12020011121022.

It is not a de Polignac number, because 22012111002021 - 2² = 22012111002017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012111002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707152775 + ... + 1707165668.

It is an arithmetic number, because the mean of its divisors is an integer number (2103220161504).

Almost surely, 2^{22012111002021} is an apocalyptic number.

22012111002021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22012111002021 is a deficient number, since it is larger than the sum of its proper divisors (11639411582043).

22012111002021 is a wasteful number, since it uses less digits than its factorization.

22012111002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414318760.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012111002021 its reverse (12020011121022), we get a palindrome (34032122123043).

The spelling of 22012111002021 in words is "twenty-two trillion, twelve billion, one hundred eleven million, two thousand, twenty-one".