120233110021 has 4 divisors (see below), whose sum is σ = 121681701792. Its totient is φ = 118784518252.

The previous prime is 120233110003. The next prime is 120233110033. The reversal of 120233110021 is 120011332021.

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 120233110021 - 2²³ = 120224721413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120233109977 and 120233110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120233110061) 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, 724295761 + ... + 724295926.

It is an arithmetic number, because the mean of its divisors is an integer number (30420425448).

Almost surely, 2^120233110021 is an apocalyptic number.

It is an amenable number.

120233110021 is a deficient number, since it is larger than the sum of its proper divisors (1448591771).

120233110021 is an equidigital number, since it uses as much as digits as its factorization.

120233110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448591770.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120233110021 its reverse (120011332021), we get a palindrome (240244442042).

The spelling of 120233110021 in words is "one hundred twenty billion, two hundred thirty-three million, one hundred ten thousand, twenty-one".