1131201030100 has 36 divisors (see below), whose sum is σ = 2511792436384. Its totient is φ = 441957610080.

The previous prime is 1131201030097. The next prime is 1131201030103. The reversal of 1131201030100 is 10301021311.

It is an interprime number because it is at equal distance from previous prime (1131201030097) and next prime (1131201030103).

It is a super-2 number, since 2×1131201030100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131201030103) 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, 131530704 + ... + 131539303.

Almost surely, 2^{1131201030100} is an apocalyptic number.

1131201030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131201030100 is an abundant number, since it is smaller than the sum of its proper divisors (1380591406284).

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

1131201030100 is a wasteful number, since it uses less digits than its factorization.

1131201030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263070064 (or 263070057 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1131201030100 its reverse (10301021311), we get a palindrome (1141502051411).

The spelling of 1131201030100 in words is "one trillion, one hundred thirty-one billion, two hundred one million, thirty thousand, one hundred".