222120123331 has 4 divisors (see below), whose sum is σ = 222168763792. Its totient is φ = 222071482872.

The previous prime is 222120123301. The next prime is 222120123359. The reversal of 222120123331 is 133321021222.

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

It is a cyclic number.

It is not a de Polignac number, because 222120123331 - 2²³ = 222111734723 is a prime.

It is a super-2 number, since 2×222120123331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120123301) 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, 24313380 + ... + 24322513.

It is an arithmetic number, because the mean of its divisors is an integer number (55542190948).

Almost surely, 2^222120123331 is an apocalyptic number.

222120123331 is a deficient number, since it is larger than the sum of its proper divisors (48640461).

222120123331 is an equidigital number, since it uses as much as digits as its factorization.

222120123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48640460.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222120123331 its reverse (133321021222), we get a palindrome (355441144553).

The spelling of 222120123331 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twenty-three thousand, three hundred thirty-one".