1100111102120 has 16 divisors (see below), whose sum is σ = 2475249979860. Its totient is φ = 440044440832.

The previous prime is 1100111101997. The next prime is 1100111102143. The reversal of 1100111102120 is 212011110011.

It can be written as a sum of positive squares in 2 ways, for example, as 1017883245604 + 82227856516 = 1008902^2 + 286754^2 .

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, 13751388737 + ... + 13751388816.

Almost surely, 2^{1100111102120} is an apocalyptic number.

1100111102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100111102120 is an abundant number, since it is smaller than the sum of its proper divisors (1375138877740).

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

1100111102120 is a wasteful number, since it uses less digits than its factorization.

1100111102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502777564 (or 27502777560 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100111102120 its reverse (212011110011), we get a palindrome (1312122212131).

The spelling of 1100111102120 in words is "one trillion, one hundred billion, one hundred eleven million, one hundred two thousand, one hundred twenty".