2111354303400 has 72 divisors (see below), whose sum is σ = 7090631541630. Its totient is φ = 563027813760.

The previous prime is 2111354303327. The next prime is 2111354303411. The reversal of 2111354303400 is 43034531112.

It is a happy number.

2111354303400 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 354 + 303 + 4 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 760129397316 + 1351224906084 = 871854^2 + 1162422^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 586485507 + ... + 586489106.

Almost surely, 2^{2111354303400} is an apocalyptic number.

2111354303400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111354303400 is an abundant number, since it is smaller than the sum of its proper divisors (4979277238230).

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

2111354303400 is a wasteful number, since it uses less digits than its factorization.

2111354303400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172974635 (or 1172974623 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 2111354303400 its reverse (43034531112), we get a palindrome (2154388834512).

The spelling of 2111354303400 in words is "two trillion, one hundred eleven billion, three hundred fifty-four million, three hundred three thousand, four hundred".