1100003102120 has 32 divisors (see below), whose sum is σ = 2665392133320. Its totient is φ = 406154991360.

The previous prime is 1100003102057. The next prime is 1100003102129. The reversal of 1100003102120 is 212013000011.

It can be written as a sum of positive squares in 4 ways, for example, as 976985957476 + 123017144644 = 988426^2 + 350738^2 .

It is not an unprimeable number, because it can be changed into a prime (1100003102129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057694771 + ... + 1057695810.

Almost surely, 2^{1100003102120} is an apocalyptic number.

1100003102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100003102120 is an abundant number, since it is smaller than the sum of its proper divisors (1565389031200).

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

1100003102120 is a wasteful number, since it uses less digits than its factorization.

1100003102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115390605 (or 2115390601 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1100003102120 its reverse (212013000011), we get a palindrome (1312016102131).

The spelling of 1100003102120 in words is "one trillion, one hundred billion, three million, one hundred two thousand, one hundred twenty".