121331021213022 has 64 divisors (see below), whose sum is σ = 257303837280000. Its totient is φ = 38034612626688.

The previous prime is 121331021212993. The next prime is 121331021213027. The reversal of 121331021213022 is 220312120133121.

It is a junction number, because it is equal to n+sod(n) for n = 121331021212983 and 121331021213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331021213027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126178104 + ... + 127136052.

It is an arithmetic number, because the mean of its divisors is an integer number (4020372457500).

Almost surely, 2^{121331021213022} is an apocalyptic number.

121331021213022 is an abundant number, since it is smaller than the sum of its proper divisors (135972816066978).

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

121331021213022 is a wasteful number, since it uses less digits than its factorization.

121331021213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966105.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121331021213022 its reverse (220312120133121), we get a palindrome (341643141346143).

The spelling of 121331021213022 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, twenty-one million, two hundred thirteen thousand, twenty-two".