121112022222000 has 120 divisors (see below), whose sum is σ = 423003923010240. Its totient is φ = 32296539254400.

The previous prime is 121112022221959. The next prime is 121112022222001. The reversal of 121112022222000 is 222220211121.

It is a happy number.

121112022222000 is a `hidden beast` number, since 1 + 211 + 12 + 0 + 222 + 220 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (121112022222001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3364204840 + ... + 3364240839.

It is an arithmetic number, because the mean of its divisors is an integer number (3525032691752).

Almost surely, 2^{121112022222000} is an apocalyptic number.

121112022222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121112022222000 is an abundant number, since it is smaller than the sum of its proper divisors (301891900788240).

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

121112022222000 is a wasteful number, since it uses less digits than its factorization.

121112022222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728445708 (or 6728445689 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121112022222000 its reverse (222220211121), we get a palindrome (121334242433121).

The spelling of 121112022222000 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-two million, two hundred twenty-two thousand".