1101220200120 has 64 divisors (see below), whose sum is σ = 3304041697440. Its totient is φ = 293624844800.

The previous prime is 1101220200109. The next prime is 1101220200139. The reversal of 1101220200120 is 210020221011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1101220200096 and 1101220200105.

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, 523990 + ... + 1573850.

Almost surely, 2^{1101220200120} is an apocalyptic number.

1101220200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101220200120 is an abundant number, since it is smaller than the sum of its proper divisors (2202821497320).

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

1101220200120 is a wasteful number, since it uses less digits than its factorization.

1101220200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058616 (or 1058612 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1101220200120 its reverse (210020221011), we get a palindrome (1311240421131).

The spelling of 1101220200120 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred thousand, one hundred twenty".