121331022 has 32 divisors (see below), whose sum is σ = 248002560. Its totient is φ = 39560640.

The previous prime is 121330999. The next prime is 121331027. The reversal of 121331022 is 220133121.

It is a junction number, because it is equal to n+sod(n) for n = 121330992 and 121331010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81747 + ... + 83217.

It is an arithmetic number, because the mean of its divisors is an integer number (7750080).

Almost surely, 2^121331022 is an apocalyptic number.

121331022 is an abundant number, since it is smaller than the sum of its proper divisors (126671538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121331022 is a wasteful number, since it uses less digits than its factorization.

121331022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

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

The square root of 121331022 is about 11015.0361778798. The cubic root of 121331022 is about 495.0593704933.

Adding to 121331022 its reverse (220133121), we get a palindrome (341464143).

The spelling of 121331022 in words is "one hundred twenty-one million, three hundred thirty-one thousand, twenty-two".