22212202010121 has 32 divisors (see below), whose sum is σ = 34049061187200. Its totient is φ = 14294412982080.

The previous prime is 22212202010113. The next prime is 22212202010123. The reversal of 22212202010121 is 12101020221222.

It is a happy number.

22212202010121 is a `hidden beast` number, since 2 + 221 + 220 + 201 + 0 + 1 + 21 = 666.

It is not a de Polignac number, because 22212202010121 - 2³ = 22212202010113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22212202010094 and 22212202010103.

It is not an unprimeable number, because it can be changed into a prime (22212202010123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548770 + ... + 6687716.

It is an arithmetic number, because the mean of its divisors is an integer number (1064033162100).

Almost surely, 2^{22212202010121} is an apocalyptic number.

It is an amenable number.

22212202010121 is a deficient number, since it is larger than the sum of its proper divisors (11836859177079).

22212202010121 is a wasteful number, since it uses less digits than its factorization.

22212202010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143606 (or 6143600 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212202010121 its reverse (12101020221222), we get a palindrome (34313222231343).

The spelling of 22212202010121 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, ten thousand, one hundred twenty-one".