2011402100 has 18 divisors (see below), whose sum is σ = 4364742774. Its totient is φ = 804560800.

The previous prime is 2011402093. The next prime is 2011402117. The reversal of 2011402100 is 12041102.

It can be written as a sum of positive squares in 3 ways, for example, as 169104016 + 1842298084 = 13004^2 + 42922^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10056911 + ... + 10057110.

Almost surely, 2^2011402100 is an apocalyptic number.

2011402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011402100 is an abundant number, since it is smaller than the sum of its proper divisors (2353340674).

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

2011402100 is a wasteful number, since it uses less digits than its factorization.

2011402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20114035 (or 20114028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2011402100 is about 44848.6577279633. The cubic root of 2011402100 is about 1262.3108052276.

Adding to 2011402100 its reverse (12041102), we get a palindrome (2023443202).

The spelling of 2011402100 in words is "two billion, eleven million, four hundred two thousand, one hundred".