121022423031 has 16 divisors (see below), whose sum is σ = 165603715200. Its totient is φ = 78586465248.

The previous prime is 121022423021. The next prime is 121022423051. The reversal of 121022423031 is 130324220121.

It is not a de Polignac number, because 121022423031 - 2¹⁷ = 121022291959 is a prime.

It is a super-2 number, since 2×121022423031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121022422989 and 121022423007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022423021) 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, 3117141 + ... + 3155726.

It is an arithmetic number, because the mean of its divisors is an integer number (10350232200).

Almost surely, 2^121022423031 is an apocalyptic number.

121022423031 is a deficient number, since it is larger than the sum of its proper divisors (44581292169).

121022423031 is a wasteful number, since it uses less digits than its factorization.

121022423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273038.

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

Adding to 121022423031 its reverse (130324220121), we get a palindrome (251346643152).

The spelling of 121022423031 in words is "one hundred twenty-one billion, twenty-two million, four hundred twenty-three thousand, thirty-one".