2900400112100 has 72 divisors (see below), whose sum is σ = 6953839175808. Its totient is φ = 1044440742400.

The previous prime is 2900400112097. The next prime is 2900400112111. The reversal of 2900400112100 is 12110040092.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37050416 + ... + 37128615.

It is an arithmetic number, because the mean of its divisors is an integer number (96581099664).

Almost surely, 2^{2900400112100} is an apocalyptic number.

2900400112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2900400112100 is an abundant number, since it is smaller than the sum of its proper divisors (4053439063708).

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

2900400112100 is a wasteful number, since it uses less digits than its factorization.

2900400112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74179085 (or 74179078 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2900400112100 its reverse (12110040092), we get a palindrome (2912510152192).

The spelling of 2900400112100 in words is "two trillion, nine hundred billion, four hundred million, one hundred twelve thousand, one hundred".