2100001200311 has 16 divisors (see below), whose sum is σ = 2458619139648. Its totient is φ = 1756040601600.

The previous prime is 2100001200301. The next prime is 2100001200313. The reversal of 2100001200311 is 1130021000012.

It is a cyclic number.

It is not a de Polignac number, because 2100001200311 - 2³⁰ = 2098927458487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100001200292 and 2100001200301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100001200313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10091531 + ... + 10297523.

It is an arithmetic number, because the mean of its divisors is an integer number (153663696228).

Almost surely, 2^{2100001200311} is an apocalyptic number.

2100001200311 is a deficient number, since it is larger than the sum of its proper divisors (358617939337).

2100001200311 is a wasteful number, since it uses less digits than its factorization.

2100001200311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241562.

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

Adding to 2100001200311 its reverse (1130021000012), we get a palindrome (3230022200323).

The spelling of 2100001200311 in words is "two trillion, one hundred billion, one million, two hundred thousand, three hundred eleven".