22120102011021 has 16 divisors (see below), whose sum is σ = 33706957891200. Its totient is φ = 12640007374848.

The previous prime is 22120102010987. The next prime is 22120102011047. The reversal of 22120102011021 is 12011020102122.

It is not a de Polignac number, because 22120102011021 - 2¹³ = 22120102002829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120102011071) 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, 3570985 + ... + 7549313.

It is an arithmetic number, because the mean of its divisors is an integer number (2106684868200).

Almost surely, 2^{22120102011021} is an apocalyptic number.

22120102011021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22120102011021 is a deficient number, since it is larger than the sum of its proper divisors (11586855880179).

22120102011021 is a wasteful number, since it uses less digits than its factorization.

22120102011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243108.

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

Adding to 22120102011021 its reverse (12011020102122), we get a palindrome (34131122113143).

The spelling of 22120102011021 in words is "twenty-two trillion, one hundred twenty billion, one hundred two million, eleven thousand, twenty-one".