102021131033 has 4 divisors (see below), whose sum is σ = 102021773568. Its totient is φ = 102020488500.

The previous prime is 102021131021. The next prime is 102021131041. The reversal of 102021131033 is 330131120201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 330131120201 = 2851 ⋅115794851.

It is a cyclic number.

It is not a de Polignac number, because 102021131033 - 2²⁶ = 101954022169 is a prime.

It is a super-2 number, since 2×102021131033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021131633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108860 + ... + 464642.

It is an arithmetic number, because the mean of its divisors is an integer number (25505443392).

Almost surely, 2^102021131033 is an apocalyptic number.

It is an amenable number.

102021131033 is a deficient number, since it is larger than the sum of its proper divisors (642535).

102021131033 is an equidigital number, since it uses as much as digits as its factorization.

102021131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642534.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 102021131033 its reverse (330131120201), we get a palindrome (432152251234).

The spelling of 102021131033 in words is "one hundred two billion, twenty-one million, one hundred thirty-one thousand, thirty-three".