2100101312 has 28 divisors (see below), whose sum is σ = 4386727320. Its totient is φ = 994784256.

The previous prime is 2100101287. The next prime is 2100101317. The reversal of 2100101312 is 2131010012.

It is a junction number, because it is equal to n+sod(n) for n = 2100101293 and 2100101302.

It is not an unprimeable number, because it can be changed into a prime (2100101317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862313 + ... + 864744.

Almost surely, 2^2100101312 is an apocalyptic number.

It is an amenable number.

2100101312 is an abundant number, since it is smaller than the sum of its proper divisors (2286626008).

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

2100101312 is a wasteful number, since it uses less digits than its factorization.

2100101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727088 (or 1727078 counting only the distinct ones).

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

The square root of 2100101312 is about 45826.8623407713. The cubic root of 2100101312 is about 1280.5997579954.

Adding to 2100101312 its reverse (2131010012), we get a palindrome (4231111324).

The spelling of 2100101312 in words is "two billion, one hundred million, one hundred one thousand, three hundred twelve".