131101121115 has 12 divisors (see below), whose sum is σ = 227241943344. Its totient is φ = 69920597904.

The previous prime is 131101121093. The next prime is 131101121119. The reversal of 131101121115 is 511121101131.

It is not a de Polignac number, because 131101121115 - 2¹⁵ = 131101088347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131101121119) 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, 1456679079 + ... + 1456679168.

It is an arithmetic number, because the mean of its divisors is an integer number (18936828612).

Almost surely, 2^131101121115 is an apocalyptic number.

131101121115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131101121115 is a deficient number, since it is larger than the sum of its proper divisors (96140822229).

131101121115 is a wasteful number, since it uses less digits than its factorization.

131101121115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913358258 (or 2913358255 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

Adding to 131101121115 its reverse (511121101131), we get a palindrome (642222222246).

It can be divided in two parts, 13110 and 1121115, that added together give a square (1134225 = 1065²).

The spelling of 131101121115 in words is "one hundred thirty-one billion, one hundred one million, one hundred twenty-one thousand, one hundred fifteen".