1201133031100 has 36 divisors (see below), whose sum is σ = 2606509566808. Its totient is φ = 480443832000.

The previous prime is 1201133031071. The next prime is 1201133031101. The reversal of 1201133031100 is 11303311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201133031101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7477630 + ... + 7636570.

Almost surely, 2^{1201133031100} is an apocalyptic number.

1201133031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201133031100 is an abundant number, since it is smaller than the sum of its proper divisors (1405376535708).

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

1201133031100 is a wasteful number, since it uses less digits than its factorization.

1201133031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234526 (or 234519 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1201133031100 its reverse (11303311021), we get a palindrome (1212436342121).

The spelling of 1201133031100 in words is "one trillion, two hundred one billion, one hundred thirty-three million, thirty-one thousand, one hundred".