121122020022 has 32 divisors (see below), whose sum is σ = 243650890080. Its totient is φ = 40140038400.

The previous prime is 121122019999. The next prime is 121122020029. The reversal of 121122020022 is 220020221121.

It is a junction number, because it is equal to n+sod(n) for n = 121122019983 and 121122020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122020029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900298 + ... + 1026050.

It is an arithmetic number, because the mean of its divisors is an integer number (7614090315).

Almost surely, 2^121122020022 is an apocalyptic number.

121122020022 is an abundant number, since it is smaller than the sum of its proper divisors (122528870058).

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

121122020022 is a wasteful number, since it uses less digits than its factorization.

121122020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126688.

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

Adding to 121122020022 its reverse (220020221121), we get a palindrome (341142241143).

The spelling of 121122020022 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty thousand, twenty-two".