120022121231 has 16 divisors (see below), whose sum is σ = 133638032640. Its totient is φ = 107271552960.

The previous prime is 120022121213. The next prime is 120022121257. The reversal of 120022121231 is 132121220021.

It is a cyclic number.

It is not a de Polignac number, because 120022121231 - 2²⁶ = 119955012367 is a prime.

It is a super-2 number, since 2×120022121231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022121431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849265 + ... + 1913066.

It is an arithmetic number, because the mean of its divisors is an integer number (8352377040).

Almost surely, 2^120022121231 is an apocalyptic number.

120022121231 is a deficient number, since it is larger than the sum of its proper divisors (13615911409).

120022121231 is a wasteful number, since it uses less digits than its factorization.

120022121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762446.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120022121231 its reverse (132121220021), we get a palindrome (252143341252).

The spelling of 120022121231 in words is "one hundred twenty billion, twenty-two million, one hundred twenty-one thousand, two hundred thirty-one".