222120230131 has 4 divisors (see below), whose sum is σ = 228123479632. Its totient is φ = 216116980632.

The previous prime is 222120230083. The next prime is 222120230183. The reversal of 222120230131 is 131032021222.

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 222120230131 - 2¹⁵ = 222120197363 is a prime.

It is a super-2 number, since 2×222120230131² (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 = 222120230099 and 222120230108.

It is not an unprimeable number, because it can be changed into a prime (222120030131) 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, 3001624695 + ... + 3001624768.

It is an arithmetic number, because the mean of its divisors is an integer number (57030869908).

Almost surely, 2^222120230131 is an apocalyptic number.

222120230131 is a deficient number, since it is larger than the sum of its proper divisors (6003249501).

222120230131 is an equidigital number, since it uses as much as digits as its factorization.

222120230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003249500.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222120230131 its reverse (131032021222), we get a palindrome (353152251353).

The spelling of 222120230131 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thirty thousand, one hundred thirty-one".