121200112022 has 16 divisors (see below), whose sum is σ = 198358574544. Its totient is φ = 55082316000.

The previous prime is 121200111983. The next prime is 121200112037. The reversal of 121200112022 is 220211002121.

It is a junction number, because it is equal to n+sod(n) for n = 121200111988 and 121200112006.

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, 287729 + ... + 570252.

It is an arithmetic number, because the mean of its divisors is an integer number (12397410909).

Almost surely, 2^121200112022 is an apocalyptic number.

121200112022 is a deficient number, since it is larger than the sum of its proper divisors (77158462522).

121200112022 is a wasteful number, since it uses less digits than its factorization.

121200112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864415.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121200112022 its reverse (220211002121), we get a palindrome (341411114143).

The spelling of 121200112022 in words is "one hundred twenty-one billion, two hundred million, one hundred twelve thousand, twenty-two".