1110401220042 has 48 divisors (see below), whose sum is σ = 2550783560832. Its totient is φ = 347897232000.

The previous prime is 1110401220001. The next prime is 1110401220043. The reversal of 1110401220042 is 2400221040111.

1110401220042 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 401 + 220 + 0 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1110401219997 and 1110401220024.

It is not an unprimeable number, because it can be changed into a prime (1110401220043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2186148 + ... + 2645759.

It is an arithmetic number, because the mean of its divisors is an integer number (53141324184).

Almost surely, 2^{1110401220042} is an apocalyptic number.

1110401220042 is an abundant number, since it is smaller than the sum of its proper divisors (1440382340790).

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

1110401220042 is a wasteful number, since it uses less digits than its factorization.

1110401220042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832683 (or 4832680 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1110401220042 its reverse (2400221040111), we get a palindrome (3510622260153).

The spelling of 1110401220042 in words is "one trillion, one hundred ten billion, four hundred one million, two hundred twenty thousand, forty-two".