2202012121022 has 48 divisors (see below), whose sum is σ = 4070208320640. Its totient is φ = 887790661632.

The previous prime is 2202012121013. The next prime is 2202012121061. The reversal of 2202012121022 is 2201212102022.

It is a happy number.

It is a super-2 number, since 2×2202012121022² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3261854 + ... + 3878622.

It is an arithmetic number, because the mean of its divisors is an integer number (84796006680).

Almost surely, 2^{2202012121022} is an apocalyptic number.

2202012121022 is a deficient number, since it is larger than the sum of its proper divisors (1868196199618).

2202012121022 is a wasteful number, since it uses less digits than its factorization.

2202012121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618945 (or 618938 counting only the distinct ones).

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

Adding to 2202012121022 its reverse (2201212102022), we get a palindrome (4403224223044).

The spelling of 2202012121022 in words is "two trillion, two hundred two billion, twelve million, one hundred twenty-one thousand, twenty-two".