1131202202130 has 576 divisors, whose sum is σ = 4086508817664. Its totient is φ = 211102848000.

The previous prime is 1131202202113. The next prime is 1131202202149. The reversal of 1131202202130 is 312022021311.

1131202202130 is a `hidden beast` number, since 1 + 1 + 312 + 0 + 220 + 2 + 130 = 666.

It is a super-2 number, since 2×1131202202130² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 36651205 + ... + 36682055.

It is an arithmetic number, because the mean of its divisors is an integer number (7094633364).

Almost surely, 2^{1131202202130} is an apocalyptic number.

1131202202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131202202130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2043254408832).

1131202202130 is an abundant number, since it is smaller than the sum of its proper divisors (2955306615534).

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

1131202202130 is a wasteful number, since it uses less digits than its factorization.

1131202202130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30943 (or 30929 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1131202202130 its reverse (312022021311), we get a palindrome (1443224223441).

It can be divided in two parts, 1 and 131202202130, that added together give a palindrome (131202202131).

The spelling of 1131202202130 in words is "one trillion, one hundred thirty-one billion, two hundred two million, two hundred two thousand, one hundred thirty".