121022020022 has 16 divisors (see below), whose sum is σ = 188285273712. Its totient is φ = 58292647200.

The previous prime is 121022020013. The next prime is 121022020087. The reversal of 121022020022 is 220020220121.

It is a junction number, because it is equal to n+sod(n) for n = 121022019979 and 121022020006.

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, 8088728 + ... + 8103675.

It is an arithmetic number, because the mean of its divisors is an integer number (11767829607).

Almost surely, 2^121022020022 is an apocalyptic number.

121022020022 is a deficient number, since it is larger than the sum of its proper divisors (67263253690).

121022020022 is a wasteful number, since it uses less digits than its factorization.

121022020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16192543.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121022020022 its reverse (220020220121), we get a palindrome (341042240143).

The spelling of 121022020022 in words is "one hundred twenty-one billion, twenty-two million, twenty thousand, twenty-two".