22012211121202 has 8 divisors (see below), whose sum is σ = 34960570604316. Its totient is φ = 10358687586432.

The previous prime is 22012211121193. The next prime is 22012211121203. The reversal of 22012211121202 is 20212111221022.

It can be written as a sum of positive squares in 2 ways, for example, as 21851707525561 + 160503595641 = 4674581^2 + 400629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22012211121202.

It is not an unprimeable number, because it can be changed into a prime (22012211121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323708987043 + ... + 323708987110.

Almost surely, 2^{22012211121202} is an apocalyptic number.

22012211121202 is a deficient number, since it is larger than the sum of its proper divisors (12948359483114).

22012211121202 is a wasteful number, since it uses less digits than its factorization.

22012211121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647417974172.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22012211121202 its reverse (20212111221022), we get a palindrome (42224322342224).

The spelling of 22012211121202 in words is "twenty-two trillion, twelve billion, two hundred eleven million, one hundred twenty-one thousand, two hundred two".