121112201120022 has 72 divisors (see below), whose sum is σ = 321318084648600. Its totient is φ = 32782249922688.

The previous prime is 121112201119997. The next prime is 121112201120083. The reversal of 121112201120022 is 220021102211121.

121112201120022 is a `hidden beast` number, since 1 + 211 + 1 + 220 + 11 + 200 + 22 = 666.

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 = 121112201119977 and 121112201120004.

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 35 ways as a sum of consecutive naturals, for example, 3613546947 + ... + 3613580462.

It is an arithmetic number, because the mean of its divisors is an integer number (4462751175675).

Almost surely, 2^{121112201120022} is an apocalyptic number.

121112201120022 is an abundant number, since it is smaller than the sum of its proper divisors (200205883528578).

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

121112201120022 is a wasteful number, since it uses less digits than its factorization.

121112201120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7227127450 (or 7227127440 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121112201120022 its reverse (220021102211121), we get a palindrome (341133303331143).

The spelling of 121112201120022 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred one million, one hundred twenty thousand, twenty-two".