22120002102021 has 16 divisors (see below), whose sum is σ = 30776553897984. Its totient is φ = 14105096637104.

The previous prime is 22120002102007. The next prime is 22120002102047. The reversal of 22120002102021 is 12020120002122.

It is a cyclic number.

It is not a de Polignac number, because 22120002102021 - 2⁶ = 22120002101957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120002502021) 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, 2292741 + ... + 7035386.

It is an arithmetic number, because the mean of its divisors is an integer number (1923534618624).

Almost surely, 2^{22120002102021} is an apocalyptic number.

It is an amenable number.

22120002102021 is a deficient number, since it is larger than the sum of its proper divisors (8656551795963).

22120002102021 is a wasteful number, since it uses less digits than its factorization.

22120002102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362520.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120002102021 its reverse (12020120002122), we get a palindrome (34140122104143).

The spelling of 22120002102021 in words is "twenty-two trillion, one hundred twenty billion, two million, one hundred two thousand, twenty-one".