2111402100 has 72 divisors (see below), whose sum is σ = 6114310048. Its totient is φ = 562550400.

The previous prime is 2111402099. The next prime is 2111402107. The reversal of 2111402100 is 12041112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111402107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457002 + ... + 461598.

Almost surely, 2^2111402100 is an apocalyptic number.

2111402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111402100 is an abundant number, since it is smaller than the sum of its proper divisors (4002907948).

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

2111402100 is a wasteful number, since it uses less digits than its factorization.

2111402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145 (or 6138 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2111402100 is about 45949.9956474427. The cubic root of 2111402100 is about 1282.8926483003.

Adding to 2111402100 its reverse (12041112), we get a palindrome (2123443212).

The spelling of 2111402100 in words is "two billion, one hundred eleven million, four hundred two thousand, one hundred".