22211211220202 has 8 divisors (see below), whose sum is σ = 33323603729700. Its totient is φ = 11103343310304.

The previous prime is 22211211220123. The next prime is 22211211220223. The reversal of 22211211220202 is 20202211211222.

It can be written as a sum of positive squares in 2 ways, for example, as 22204630928041 + 6580292161 = 4712179^2 + 81119^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131137627 + ... + 1131157262.

Almost surely, 2^{22211211220202} is an apocalyptic number.

22211211220202 is a deficient number, since it is larger than the sum of its proper divisors (11112392509498).

22211211220202 is a wasteful number, since it uses less digits than its factorization.

22211211220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262299800.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22211211220202 its reverse (20202211211222), we get a palindrome (42413422431424).

The spelling of 22211211220202 in words is "twenty-two trillion, two hundred eleven billion, two hundred eleven million, two hundred twenty thousand, two hundred two".