110821078404 has 81 divisors (see below), whose sum is σ = 283208831269. Its totient is φ = 36538884480.

The previous prime is 110821078387. The next prime is 110821078427. The reversal of 110821078404 is 404870128011.

The square root of 110821078404 is 332898.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1952756100 + 108868322304 = 44190^2 + 329952^2 .

It is a super-2 number, since 2×110821078404² (a number of 23 digits) contains 22 as substring.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 225704599 + ... + 225705089.

Almost surely, 2^110821078404 is an apocalyptic number.

110821078404 is the 332898-th square number.

It is an amenable number.

110821078404 is an abundant number, since it is smaller than the sum of its proper divisors (172387752865).

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

110821078404 is an equidigital number, since it uses as much as digits as its factorization.

110821078404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

Multiplying 110821078404 by its sum of digits (36), we get a square (3989558822544 = 1997388²).

110821078404 divided by its sum of digits (36) gives a square (3078363289 = 55483²).

The spelling of 110821078404 in words is "one hundred ten billion, eight hundred twenty-one million, seventy-eight thousand, four hundred four".