2100120001110 has 96 divisors (see below), whose sum is σ = 5660299131552. Its totient is φ = 539803422720.

The previous prime is 2100120001051. The next prime is 2100120001127. The reversal of 2100120001110 is 111000210012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2100120001092 and 2100120001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2590731 + ... + 3303350.

It is an arithmetic number, because the mean of its divisors is an integer number (58961449287).

Almost surely, 2^{2100120001110} is an apocalyptic number.

2100120001110 is an abundant number, since it is smaller than the sum of its proper divisors (3560179130442).

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

2100120001110 is a wasteful number, since it uses less digits than its factorization.

2100120001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894238 (or 5894235 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2100120001110 its reverse (111000210012), we get a palindrome (2211120211122).

The spelling of 2100120001110 in words is "two trillion, one hundred billion, one hundred twenty million, one thousand, one hundred ten".