22012001121202 has 4 divisors (see below), whose sum is σ = 33018001681806. Its totient is φ = 11006000560600.

The previous prime is 22012001121191. The next prime is 22012001121359. The reversal of 22012001121202 is 20212110021022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15479432540881 + 6532568580321 = 3934391^2 + 2555889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503000280299 + ... + 5503000280302.

Almost surely, 2^{22012001121202} is an apocalyptic number.

22012001121202 is a deficient number, since it is larger than the sum of its proper divisors (11006000560604).

22012001121202 is a wasteful number, since it uses less digits than its factorization.

22012001121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006000560603.

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

Adding to 22012001121202 its reverse (20212110021022), we get a palindrome (42224111142224).

The spelling of 22012001121202 in words is "twenty-two trillion, twelve billion, one million, one hundred twenty-one thousand, two hundred two".