111012032130 has 16 divisors (see below), whose sum is σ = 266428877184. Its totient is φ = 29603208560.

The previous prime is 111012032059. The next prime is 111012032149. The reversal of 111012032130 is 31230210111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850200506 + ... + 1850200565.

It is an arithmetic number, because the mean of its divisors is an integer number (16651804824).

Almost surely, 2^111012032130 is an apocalyptic number.

111012032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111012032130 is an abundant number, since it is smaller than the sum of its proper divisors (155416845054).

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

111012032130 is a wasteful number, since it uses less digits than its factorization.

111012032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700401081.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111012032130 its reverse (31230210111), we get a palindrome (142242242241).

It can be divided in two parts, 11101 and 2032130, that added together give a triangular number (2043231 = T₂₀₂₁).

The spelling of 111012032130 in words is "one hundred eleven billion, twelve million, thirty-two thousand, one hundred thirty".