2101100312 has 32 divisors (see below), whose sum is σ = 4173567120. Its totient is φ = 988216320.

The previous prime is 2101100297. The next prime is 2101100317. The reversal of 2101100312 is 2130011012.

It is a junction number, because it is equal to n+sod(n) for n = 2101100293 and 2101100302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101100317) 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, 368588 + ... + 374244.

Almost surely, 2^2101100312 is an apocalyptic number.

It is an amenable number.

2101100312 is a deficient number, since it is larger than the sum of its proper divisors (2072466808).

2101100312 is a wasteful number, since it uses less digits than its factorization.

2101100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411 (or 8407 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2101100312 is about 45837.7607655522. The cubic root of 2101100312 is about 1280.8027825433.

Adding to 2101100312 its reverse (2130011012), we get a palindrome (4231111324).

The spelling of 2101100312 in words is "two billion, one hundred one million, one hundred thousand, three hundred twelve".