121022331 has 8 divisors (see below), whose sum is σ = 161444880. Its totient is φ = 80640672.

The previous prime is 121022329. The next prime is 121022333. The reversal of 121022331 is 133220121.

It is an interprime number because it is at equal distance from previous prime (121022329) and next prime (121022333).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121022331 - 2¹ = 121022329 is a prime.

It is a super-2 number, since 2×121022331² = 29292809201347122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121022331.

It is not an unprimeable number, because it can be changed into a prime (121022333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2476 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (20180610).

Almost surely, 2^121022331 is an apocalyptic number.

121022331 is a deficient number, since it is larger than the sum of its proper divisors (40422549).

121022331 is a wasteful number, since it uses less digits than its factorization.

121022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121022331 is about 11001.0149986263. The cubic root of 121022331 is about 494.6391697476.

Adding to 121022331 its reverse (133220121), we get a palindrome (254242452).

The spelling of 121022331 in words is "one hundred twenty-one million, twenty-two thousand, three hundred thirty-one".