121002212020022 has 16 divisors (see below), whose sum is σ = 191179465926000. Its totient is φ = 57279834767520.

The previous prime is 121002212020009. The next prime is 121002212020031. The reversal of 121002212020022 is 220020212200121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027787729 + ... + 1027905452.

It is an arithmetic number, because the mean of its divisors is an integer number (11948716620375).

Almost surely, 2^{121002212020022} is an apocalyptic number.

121002212020022 is a deficient number, since it is larger than the sum of its proper divisors (70177253905978).

121002212020022 is a wasteful number, since it uses less digits than its factorization.

121002212020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055694751.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121002212020022 its reverse (220020212200121), we get a palindrome (341022424220143).

The spelling of 121002212020022 in words is "one hundred twenty-one trillion, two billion, two hundred twelve million, twenty thousand, twenty-two".