22012202101021 has 16 divisors (see below), whose sum is σ = 24021615038400. Its totient is φ = 20004174115200.

The previous prime is 22012202100989. The next prime is 22012202101037. The reversal of 22012202101021 is 12010120221022.

It is a happy number.

It is not a de Polignac number, because 22012202101021 - 2⁵ = 22012202100989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012202100986 and 22012202101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012202131021) 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, 761416315 + ... + 761445223.

It is an arithmetic number, because the mean of its divisors is an integer number (1501350939900).

Almost surely, 2^{22012202101021} is an apocalyptic number.

It is an amenable number.

22012202101021 is a deficient number, since it is larger than the sum of its proper divisors (2009412937379).

22012202101021 is a wasteful number, since it uses less digits than its factorization.

22012202101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50460.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22012202101021 its reverse (12010120221022), we get a palindrome (34022322322043).

The spelling of 22012202101021 in words is "twenty-two trillion, twelve billion, two hundred two million, one hundred one thousand, twenty-one".