2011040421100 has 72 divisors (see below), whose sum is σ = 4385294236400. Its totient is φ = 800486841600.

The previous prime is 2011040421079. The next prime is 2011040421107. The reversal of 2011040421100 is 11240401102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2011040421107) 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, 46030066 + ... + 46073734.

Almost surely, 2^{2011040421100} is an apocalyptic number.

2011040421100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011040421100 is an abundant number, since it is smaller than the sum of its proper divisors (2374253815300).

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

2011040421100 is a wasteful number, since it uses less digits than its factorization.

2011040421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45923 (or 45916 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2011040421100 its reverse (11240401102), we get a palindrome (2022280822202).

The spelling of 2011040421100 in words is "two trillion, eleven billion, forty million, four hundred twenty-one thousand, one hundred".