111243031410 has 256 divisors, whose sum is σ = 342586920960. Its totient is φ = 22504366080.

The previous prime is 111243031381. The next prime is 111243031447. The reversal of 111243031410 is 14130342111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9286725 + ... + 9298695.

It is an arithmetic number, because the mean of its divisors is an integer number (1338230160).

Almost surely, 2^111243031410 is an apocalyptic number.

111243031410 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 111243031410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171293460480).

111243031410 is an abundant number, since it is smaller than the sum of its proper divisors (231343889550).

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

111243031410 is a wasteful number, since it uses less digits than its factorization.

111243031410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111243031410 its reverse (14130342111), we get a palindrome (125373373521).

The spelling of 111243031410 in words is "one hundred eleven billion, two hundred forty-three million, thirty-one thousand, four hundred ten".