1022121110212 has 12 divisors (see below), whose sum is σ = 1813214846716. Its totient is φ = 504059725440.

The previous prime is 1022121110203. The next prime is 1022121110243. The reversal of 1022121110212 is 2120111212201.

It can be written as a sum of positive squares in 2 ways, for example, as 202415408836 + 819705701376 = 449906^2 + 905376^2 .

It is a super-2 number, since 2×1022121110212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750207089 + ... + 1750207672.

Almost surely, 2^{1022121110212} is an apocalyptic number.

It is an amenable number.

1022121110212 is a deficient number, since it is larger than the sum of its proper divisors (791093736504).

1022121110212 is a wasteful number, since it uses less digits than its factorization.

1022121110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500414838 (or 3500414836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022121110212 its reverse (2120111212201), we get a palindrome (3142232322413).

The spelling of 1022121110212 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one hundred ten thousand, two hundred twelve".