1022121022202 has 24 divisors (see below), whose sum is σ = 1785563657856. Its totient is φ = 437544238488.

The previous prime is 1022121022183. The next prime is 1022121022207. The reversal of 1022121022202 is 2022201212201.

It is a happy number.

It is a super-2 number, since 2×1022121022202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022121022207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5958188 + ... + 6127335.

It is an arithmetic number, because the mean of its divisors is an integer number (74398485744).

Almost surely, 2^{1022121022202} is an apocalyptic number.

1022121022202 is a deficient number, since it is larger than the sum of its proper divisors (763442635654).

1022121022202 is a wasteful number, since it uses less digits than its factorization.

1022121022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12086402 (or 12086395 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022121022202 its reverse (2022201212201), we get a palindrome (3044322234403).

The spelling of 1022121022202 in words is "one trillion, twenty-two billion, one hundred twenty-one million, twenty-two thousand, two hundred two".