121002122022 has 16 divisors (see below), whose sum is σ = 254741309760. Its totient is φ = 38211196392.

The previous prime is 121002122009. The next prime is 121002122053. The reversal of 121002122022 is 220221200121.

It is a junction number, because it is equal to n+sod(n) for n = 121002121992 and 121002122010.

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, 530710948 + ... + 530711175.

It is an arithmetic number, because the mean of its divisors is an integer number (15921331860).

Almost surely, 2^121002122022 is an apocalyptic number.

121002122022 is an abundant number, since it is smaller than the sum of its proper divisors (133739187738).

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

121002122022 is a wasteful number, since it uses less digits than its factorization.

121002122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061422147.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121002122022 its reverse (220221200121), we get a palindrome (341223322143).

The spelling of 121002122022 in words is "one hundred twenty-one billion, two million, one hundred twenty-two thousand, twenty-two".