121131321022 has 8 divisors (see below), whose sum is σ = 181861714656. Its totient is φ = 60510749472.

The previous prime is 121131321011. The next prime is 121131321037. The reversal of 121131321022 is 220123131121.

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

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 3 ways as a sum of consecutive naturals, for example, 27452763 + ... + 27457174.

It is an arithmetic number, because the mean of its divisors is an integer number (22732714332).

Almost surely, 2^121131321022 is an apocalyptic number.

121131321022 is a deficient number, since it is larger than the sum of its proper divisors (60730393634).

121131321022 is a wasteful number, since it uses less digits than its factorization.

121131321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54911042.

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

Adding to 121131321022 its reverse (220123131121), we get a palindrome (341254452143).

The spelling of 121131321022 in words is "one hundred twenty-one billion, one hundred thirty-one million, three hundred twenty-one thousand, twenty-two".