130220021121 has 4 divisors (see below), whose sum is σ = 173626694832. Its totient is φ = 86813347412.

The previous prime is 130220021117. The next prime is 130220021159. The reversal of 130220021121 is 121120022031.

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 130220021121 - 2² = 130220021117 is a prime.

It is a super-3 number, since 3×130220021121³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130220021121.

It is not an unprimeable number, because it can be changed into a prime (130220021161) 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, 21703336851 + ... + 21703336856.

It is an arithmetic number, because the mean of its divisors is an integer number (43406673708).

Almost surely, 2^130220021121 is an apocalyptic number.

It is an amenable number.

130220021121 is a deficient number, since it is larger than the sum of its proper divisors (43406673711).

130220021121 is an equidigital number, since it uses as much as digits as its factorization.

130220021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43406673710.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 130220021121 its reverse (121120022031), we get a palindrome (251340043152).

The spelling of 130220021121 in words is "one hundred thirty billion, two hundred twenty million, twenty-one thousand, one hundred twenty-one".