111141121630 has 64 divisors (see below), whose sum is σ = 258018670080. Its totient is φ = 33446851200.

The previous prime is 111141121627. The next prime is 111141121657. The reversal of 111141121630 is 36121141111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2466276 + ... + 2510935.

It is an arithmetic number, because the mean of its divisors is an integer number (4031541720).

Almost surely, 2^111141121630 is an apocalyptic number.

111141121630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111141121630 is an abundant number, since it is smaller than the sum of its proper divisors (146877548450).

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

111141121630 is a wasteful number, since it uses less digits than its factorization.

111141121630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977265.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 111141121630 its reverse (36121141111), we get a palindrome (147262262741).

The spelling of 111141121630 in words is "one hundred eleven billion, one hundred forty-one million, one hundred twenty-one thousand, six hundred thirty".