1012331022021 has 96 divisors (see below), whose sum is σ = 1631910234240. Its totient is φ = 599622912000.

The previous prime is 1012331022011. The next prime is 1012331022047. The reversal of 1012331022021 is 1202201332101.

1012331022021 is a `hidden beast` number, since 10 + 123 + 310 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 1012331022021 - 2⁹ = 1012331021509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012331021985 and 1012331022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012331022011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 240971721 + ... + 240975921.

It is an arithmetic number, because the mean of its divisors is an integer number (16999064940).

Almost surely, 2^{1012331022021} is an apocalyptic number.

1012331022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012331022021 is a deficient number, since it is larger than the sum of its proper divisors (619579212219).

1012331022021 is a wasteful number, since it uses less digits than its factorization.

1012331022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1012331022021 its reverse (1202201332101), we get a palindrome (2214532354122).

The spelling of 1012331022021 in words is "one trillion, twelve billion, three hundred thirty-one million, twenty-two thousand, twenty-one".