2120100404 has 12 divisors (see below), whose sum is σ = 3732393504. Its totient is φ = 1053702264.

The previous prime is 2120100403. The next prime is 2120100421. The reversal of 2120100404 is 4040010212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120100401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586234 + ... + 1587569.

It is an arithmetic number, because the mean of its divisors is an integer number (311032792).

Almost surely, 2^2120100404 is an apocalyptic number.

It is an amenable number.

2120100404 is a deficient number, since it is larger than the sum of its proper divisors (1612293100).

2120100404 is a wasteful number, since it uses less digits than its factorization.

2120100404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173974 (or 3173972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2120100404 is about 46044.5480377428. The cubic root of 2120100404 is about 1284.6519376057.

Adding to 2120100404 its reverse (4040010212), we get a palindrome (6160110616).

The spelling of 2120100404 in words is "two billion, one hundred twenty million, one hundred thousand, four hundred four".