1022122211211 has 20 divisors (see below), whose sum is σ = 1527022598112. Its totient is φ = 681348455568.

The previous prime is 1022122211191. The next prime is 1022122211219. The reversal of 1022122211211 is 1121122212201.

1022122211211 is a `hidden beast` number, since 1 + 0 + 221 + 22 + 211 + 211 = 666.

It is not a de Polignac number, because 1022122211211 - 2⁶ = 1022122211147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022122211219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 229726 + ... + 1448108.

Almost surely, 2^{1022122211211} is an apocalyptic number.

1022122211211 is a deficient number, since it is larger than the sum of its proper divisors (504900386901).

1022122211211 is a wasteful number, since it uses less digits than its factorization.

1022122211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228752 (or 1228743 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1022122211211 its reverse (1121122212201), we get a palindrome (2143244423412).

The spelling of 1022122211211 in words is "one trillion, twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred eleven".