1021313111133 has 12 divisors (see below), whose sum is σ = 1584077478720. Its totient is φ = 583607491992.

The previous prime is 1021313111131. The next prime is 1021313111177. The reversal of 1021313111133 is 3311113131201.

1021313111133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021313111133 - 2¹ = 1021313111131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021313111131) 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, 3473853973 + ... + 3473854266.

It is an arithmetic number, because the mean of its divisors is an integer number (132006456560).

Almost surely, 2^{1021313111133} is an apocalyptic number.

It is an amenable number.

1021313111133 is a deficient number, since it is larger than the sum of its proper divisors (562764367587).

1021313111133 is an equidigital number, since it uses as much as digits as its factorization.

1021313111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947708256 (or 6947708249 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1021313111133 its reverse (3311113131201), we get a palindrome (4332426242334).

The spelling of 1021313111133 in words is "one trillion, twenty-one billion, three hundred thirteen million, one hundred eleven thousand, one hundred thirty-three".