111010221200120 has 64 divisors (see below), whose sum is σ = 272480894632800. Its totient is φ = 40367166382080.

The previous prime is 111010221200119. The next prime is 111010221200171. The reversal of 111010221200120 is 21002122010111.

It is a junction number, because it is equal to n+sod(n) for n = 111010221200095 and 111010221200104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125561852 + ... + 126442868.

Almost surely, 2^{111010221200120} is an apocalyptic number.

111010221200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010221200120 is an abundant number, since it is smaller than the sum of its proper divisors (161470673432680).

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

111010221200120 is a wasteful number, since it uses less digits than its factorization.

111010221200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167408 (or 1167404 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111010221200120 its reverse (21002122010111), we get a palindrome (132012343210231).

The spelling of 111010221200120 in words is "one hundred eleven trillion, ten billion, two hundred twenty-one million, two hundred thousand, one hundred twenty".