121002222200112 has 120 divisors (see below), whose sum is σ = 369880097118480. Its totient is φ = 36622015395840.

The previous prime is 121002222200059. The next prime is 121002222200201. The reversal of 121002222200112 is 211002222200121.

It is a happy number.

121002222200112 is a `hidden beast` number, since 1 + 210 + 0 + 222 + 220 + 0 + 1 + 12 = 666.

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

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, 45931333 + ... + 48494244.

It is an arithmetic number, because the mean of its divisors is an integer number (3082334142654).

Almost surely, 2^{121002222200112} is an apocalyptic number.

121002222200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002222200112 is an abundant number, since it is smaller than the sum of its proper divisors (248877874918368).

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

121002222200112 is a wasteful number, since it uses less digits than its factorization.

121002222200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94426411 (or 94426402 counting only the distinct ones).

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

Adding to 121002222200112 its reverse (211002222200121), we get a palindrome (332004444400233).

Subtracting 121002222200112 from its reverse (211002222200121), we obtain a palindrome (90000000000009).

The spelling of 121002222200112 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-two million, two hundred thousand, one hundred twelve".