1020412021131 has 24 divisors (see below), whose sum is σ = 1553901822720. Its totient is φ = 643474589616.

The previous prime is 1020412021099. The next prime is 1020412021133. The reversal of 1020412021131 is 1311202140201.

1020412021131 is a `hidden beast` number, since 10 + 2 + 0 + 412 + 0 + 211 + 31 = 666.

It is not a de Polignac number, because 1020412021131 - 2⁵ = 1020412021099 is a prime.

It is a super-2 number, since 2×1020412021131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020412021133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4500895 + ... + 4722168.

It is an arithmetic number, because the mean of its divisors is an integer number (64745909280).

Almost surely, 2^{1020412021131} is an apocalyptic number.

1020412021131 is a deficient number, since it is larger than the sum of its proper divisors (533489801589).

1020412021131 is a wasteful number, since it uses less digits than its factorization.

1020412021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223735 (or 9223732 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1020412021131 its reverse (1311202140201), we get a palindrome (2331614161332).

The spelling of 1020412021131 in words is "one trillion, twenty billion, four hundred twelve million, twenty-one thousand, one hundred thirty-one".