121110200022 has 64 divisors (see below), whose sum is σ = 277563686400. Its totient is φ = 34510510080.

The previous prime is 121110200009. The next prime is 121110200039. The reversal of 121110200022 is 220002011121.

It is a junction number, because it is equal to n+sod(n) for n = 121110199980 and 121110200007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28235254 + ... + 28239542.

It is an arithmetic number, because the mean of its divisors is an integer number (4336932600).

Almost surely, 2^121110200022 is an apocalyptic number.

121110200022 is an abundant number, since it is smaller than the sum of its proper divisors (156453486378).

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

121110200022 is a wasteful number, since it uses less digits than its factorization.

121110200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121110200022 its reverse (220002011121), we get a palindrome (341112211143).

The spelling of 121110200022 in words is "one hundred twenty-one billion, one hundred ten million, two hundred thousand, twenty-two".