111211313130 has 48 divisors (see below), whose sum is σ = 289169626824. Its totient is φ = 29654277120.

The previous prime is 111211313123. The next prime is 111211313153. The reversal of 111211313130 is 31313112111.

111211313130 is a `hidden beast` number, since 1 + 11 + 211 + 313 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 48597761601 + 62613551529 = 220449^2 + 250227^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1594590 + ... + 1662870.

Almost surely, 2^111211313130 is an apocalyptic number.

111211313130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111211313130 is an abundant number, since it is smaller than the sum of its proper divisors (177958313694).

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

111211313130 is a wasteful number, since it uses less digits than its factorization.

111211313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86391 (or 86388 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111211313130 its reverse (31313112111), we get a palindrome (142524425241).

The spelling of 111211313130 in words is "one hundred eleven billion, two hundred eleven million, three hundred thirteen thousand, one hundred thirty".