120030031110221 has 4 divisors (see below), whose sum is σ = 120038321064000. Its totient is φ = 120021741156444.

The previous prime is 120030031110217. The next prime is 120030031110229. The reversal of 120030031110221 is 122011130030021.

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 120030031110221 - 2² = 120030031110217 is a prime.

It is a super-2 number, since 2×120030031110221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120030031110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120030031110229) 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, 4144955171 + ... + 4144984128.

It is an arithmetic number, because the mean of its divisors is an integer number (30009580266000).

Almost surely, 2^{120030031110221} is an apocalyptic number.

It is an amenable number.

120030031110221 is a deficient number, since it is larger than the sum of its proper divisors (8289953779).

120030031110221 is an equidigital number, since it uses as much as digits as its factorization.

120030031110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289953778.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120030031110221 its reverse (122011130030021), we get a palindrome (242041161140242).

The spelling of 120030031110221 in words is "one hundred twenty trillion, thirty billion, thirty-one million, one hundred ten thousand, two hundred twenty-one".