120222321231 has 4 divisors (see below), whose sum is σ = 160296428312. Its totient is φ = 80148214152.

The previous prime is 120222321223. The next prime is 120222321253. The reversal of 120222321231 is 132123222021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120222321231 - 2³ = 120222321223 is a prime.

It is a super-2 number, since 2×120222321231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120222321198 and 120222321207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222321221) 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, 20037053536 + ... + 20037053541.

It is an arithmetic number, because the mean of its divisors is an integer number (40074107078).

Almost surely, 2^120222321231 is an apocalyptic number.

120222321231 is a deficient number, since it is larger than the sum of its proper divisors (40074107081).

120222321231 is an equidigital number, since it uses as much as digits as its factorization.

120222321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40074107080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 120222321231 its reverse (132123222021), we get a palindrome (252345543252).

The spelling of 120222321231 in words is "one hundred twenty billion, two hundred twenty-two million, three hundred twenty-one thousand, two hundred thirty-one".