121331211022 has 16 divisors (see below), whose sum is σ = 209041574400. Its totient is φ = 51737787288.

The previous prime is 121331211013. The next prime is 121331211041. The reversal of 121331211022 is 220112133121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21772378 + ... + 21777949.

It is an arithmetic number, because the mean of its divisors is an integer number (13065098400).

Almost surely, 2^121331211022 is an apocalyptic number.

121331211022 is a deficient number, since it is larger than the sum of its proper divisors (87710363378).

121331211022 is a wasteful number, since it uses less digits than its factorization.

121331211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43550535.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121331211022 its reverse (220112133121), we get a palindrome (341443344143).

The spelling of 121331211022 in words is "one hundred twenty-one billion, three hundred thirty-one million, two hundred eleven thousand, twenty-two".