1022121031311 has 32 divisors (see below), whose sum is σ = 1532897452800. Its totient is φ = 673056410400.

The previous prime is 1022121031303. The next prime is 1022121031313. The reversal of 1022121031311 is 1131301212201.

1022121031311 is a `hidden beast` number, since 102 + 212 + 10 + 31 + 311 = 666.

It is not a de Polignac number, because 1022121031311 - 2³ = 1022121031303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022121031313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695340 + ... + 1589886.

It is an arithmetic number, because the mean of its divisors is an integer number (47903045400).

Almost surely, 2^{1022121031311} is an apocalyptic number.

1022121031311 is a deficient number, since it is larger than the sum of its proper divisors (510776421489).

1022121031311 is a wasteful number, since it uses less digits than its factorization.

1022121031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895076 (or 895070 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1022121031311 its reverse (1131301212201), we get a palindrome (2153422243512).

The spelling of 1022121031311 in words is "one trillion, twenty-two billion, one hundred twenty-one million, thirty-one thousand, three hundred eleven".