1100042522120 has 64 divisors (see below), whose sum is σ = 2502329932800. Its totient is φ = 435184876800.

The previous prime is 1100042522107. The next prime is 1100042522123. The reversal of 1100042522120 is 212252400011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1100042522092 and 1100042522101.

It is not an unprimeable number, because it can be changed into a prime (1100042522123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3564617 + ... + 3860903.

It is an arithmetic number, because the mean of its divisors is an integer number (39098905200).

Almost surely, 2^{1100042522120} is an apocalyptic number.

1100042522120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100042522120 is an abundant number, since it is smaller than the sum of its proper divisors (1402287410680).

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

1100042522120 is a wasteful number, since it uses less digits than its factorization.

1100042522120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297318 (or 297314 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1100042522120 its reverse (212252400011), we get a palindrome (1312294922131).

The spelling of 1100042522120 in words is "one trillion, one hundred billion, forty-two million, five hundred twenty-two thousand, one hundred twenty".