22012001220202 has 24 divisors (see below), whose sum is σ = 38894882045760. Its totient is φ = 9314300693880.

The previous prime is 22012001220163. The next prime is 22012001220239. The reversal of 22012001220202 is 20202210021022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1421588824 + ... + 1421604307.

It is an arithmetic number, because the mean of its divisors is an integer number (1620620085240).

Almost surely, 2^{22012001220202} is an apocalyptic number.

22012001220202 is a deficient number, since it is larger than the sum of its proper divisors (16882880825558).

22012001220202 is a wasteful number, since it uses less digits than its factorization.

22012001220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843193226 (or 2843193219 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22012001220202 its reverse (20202210021022), we get a palindrome (42214211241224).

The spelling of 22012001220202 in words is "twenty-two trillion, twelve billion, one million, two hundred twenty thousand, two hundred two".