121022031 has 16 divisors (see below), whose sum is σ = 183998304. Its totient is φ = 70093824.

The previous prime is 121022023. The next prime is 121022053. The reversal of 121022031 is 130220121.

It is not a de Polignac number, because 121022031 - 2³ = 121022023 is a prime.

It is a super-2 number, since 2×121022031² = 29292663974729922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021998 and 121022016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022731) 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, 90606 + ... + 91931.

It is an arithmetic number, because the mean of its divisors is an integer number (11499894).

Almost surely, 2^121022031 is an apocalyptic number.

121022031 is a deficient number, since it is larger than the sum of its proper divisors (62976273).

121022031 is a wasteful number, since it uses less digits than its factorization.

121022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182570.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121022031 is about 11001.0013635123. The cubic root of 121022031 is about 494.6387610300.

Adding to 121022031 its reverse (130220121), we get a palindrome (251242152).

The spelling of 121022031 in words is "one hundred twenty-one million, twenty-two thousand, thirty-one".