121022131 has 8 divisors (see below), whose sum is σ = 121897440. Its totient is φ = 120150528.

The previous prime is 121022129. The next prime is 121022141. The reversal of 121022131 is 131220121.

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

It is a cyclic number.

It is not a de Polignac number, because 121022131 - 2¹ = 121022129 is a prime.

It is a super-2 number, since 2×121022131² = 29292712383562322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022141) 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, 98835 + ... + 100051.

It is an arithmetic number, because the mean of its divisors is an integer number (15237180).

Almost surely, 2^121022131 is an apocalyptic number.

121022131 is a deficient number, since it is larger than the sum of its proper divisors (875309).

121022131 is a wasteful number, since it uses less digits than its factorization.

121022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121022131 is about 11001.0059085522. The cubic root of 121022131 is about 494.6388972693.

Adding to 121022131 its reverse (131220121), we get a palindrome (252242252).

The spelling of 121022131 in words is "one hundred twenty-one million, twenty-two thousand, one hundred thirty-one".