121233200022 has 48 divisors (see below), whose sum is σ = 301632851520. Its totient is φ = 34803788400.

The previous prime is 121233199999. The next prime is 121233200063. The reversal of 121233200022 is 220002332121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121233199968 and 121233200004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16109104 + ... + 16116627.

It is an arithmetic number, because the mean of its divisors is an integer number (6284017740).

Almost surely, 2^121233200022 is an apocalyptic number.

121233200022 is an abundant number, since it is smaller than the sum of its proper divisors (180399651498).

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

121233200022 is a wasteful number, since it uses less digits than its factorization.

121233200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32225769 (or 32225766 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121233200022 its reverse (220002332121), we get a palindrome (341235532143).

The spelling of 121233200022 in words is "one hundred twenty-one billion, two hundred thirty-three million, two hundred thousand, twenty-two".