130553102021 has 4 divisors (see below), whose sum is σ = 136229323872. Its totient is φ = 124876880172.

The previous prime is 130553101981. The next prime is 130553102027. The reversal of 130553102021 is 120201355031.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 130553102021 - 2¹⁸ = 130552839877 is a prime.

It is a super-2 number, since 2×130553102021² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5676221827 = 130553102021 / (1 + 3 + 0 + 5 + 5 + 3 + 1 + 0 + 2 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130553102027) 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, 2838110891 + ... + 2838110936.

It is an arithmetic number, because the mean of its divisors is an integer number (34057330968).

Almost surely, 2^130553102021 is an apocalyptic number.

It is an amenable number.

130553102021 is a deficient number, since it is larger than the sum of its proper divisors (5676221851).

130553102021 is an equidigital number, since it uses as much as digits as its factorization.

130553102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676221850.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 130553102021 its reverse (120201355031), we get a palindrome (250754457052).

The spelling of 130553102021 in words is "one hundred thirty billion, five hundred fifty-three million, one hundred two thousand, twenty-one".