2100111200104 has 32 divisors (see below), whose sum is σ = 4064867619840. Its totient is φ = 1016148772800.

The previous prime is 2100111200101. The next prime is 2100111200111. The reversal of 2100111200104 is 4010021110012.

It is a super-2 number, since 2×2100111200104² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100111200101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8275002 + ... + 8525014.

It is an arithmetic number, because the mean of its divisors is an integer number (127027113120).

Almost surely, 2^{2100111200104} is an apocalyptic number.

It is an amenable number.

2100111200104 is a deficient number, since it is larger than the sum of its proper divisors (1964756419736).

2100111200104 is a wasteful number, since it uses less digits than its factorization.

2100111200104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283921 (or 283917 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100111200104 its reverse (4010021110012), we get a palindrome (6110132310116).

The spelling of 2100111200104 in words is "two trillion, one hundred billion, one hundred eleven million, two hundred thousand, one hundred four".