221112201200120 has 16 divisors (see below), whose sum is σ = 497502452700360. Its totient is φ = 88444880480032.

The previous prime is 221112201200119. The next prime is 221112201200203. The reversal of 221112201200120 is 21002102211122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763902514962 + ... + 2763902515041.

Almost surely, 2^{221112201200120} is an apocalyptic number.

221112201200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221112201200120 is an abundant number, since it is smaller than the sum of its proper divisors (276390251500240).

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

221112201200120 is a wasteful number, since it uses less digits than its factorization.

221112201200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527805030014 (or 5527805030010 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221112201200120 its reverse (21002102211122), we get a palindrome (242114303411242).

The spelling of 221112201200120 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred one million, two hundred thousand, one hundred twenty".