111422777400 has 216 divisors, whose sum is σ = 411305862240. Its totient is φ = 27011529600.

The previous prime is 111422777369. The next prime is 111422777407. The reversal of 111422777400 is 4777224111.

It is a happy number.

111422777400 is a `hidden beast` number, since 11 + 14 + 227 + 7 + 7 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111422777407) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 37992 + ... + 473591.

Almost surely, 2^111422777400 is an apocalyptic number.

111422777400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111422777400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205652931120).

111422777400 is an abundant number, since it is smaller than the sum of its proper divisors (299883084840).

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

111422777400 is a wasteful number, since it uses less digits than its factorization.

111422777400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511627 (or 511604 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The spelling of 111422777400 in words is "one hundred eleven billion, four hundred twenty-two million, seven hundred seventy-seven thousand, four hundred".