1100020220120 has 32 divisors (see below), whose sum is σ = 2491436538720. Its totient is φ = 437094124800.

The previous prime is 1100020220119. The next prime is 1100020220153. The reversal of 1100020220120 is 210220200011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91055237 + ... + 91067316.

It is an arithmetic number, because the mean of its divisors is an integer number (77857391835).

Almost surely, 2^{1100020220120} is an apocalyptic number.

1100020220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100020220120 is an abundant number, since it is smaller than the sum of its proper divisors (1391416318600).

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

1100020220120 is a wasteful number, since it uses less digits than its factorization.

1100020220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182122715 (or 182122711 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1100020220120 its reverse (210220200011), we get a palindrome (1310240420131).

The spelling of 1100020220120 in words is "one trillion, one hundred billion, twenty million, two hundred twenty thousand, one hundred twenty".