2100001000011 has 8 divisors (see below), whose sum is σ = 2807054235024. Its totient is φ = 1396474215840.

The previous prime is 2100001000003. The next prime is 2100001000039. The reversal of 2100001000011 is 1100001000012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100001000011 - 2³ = 2100001000003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100001000411) 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, 881611320 + ... + 881613701.

It is an arithmetic number, because the mean of its divisors is an integer number (350881779378).

Almost surely, 2^{2100001000011} is an apocalyptic number.

2100001000011 is a deficient number, since it is larger than the sum of its proper divisors (707053235013).

2100001000011 is a wasteful number, since it uses less digits than its factorization.

2100001000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763225421.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 2100001000011 its reverse (1100001000012), we get a palindrome (3200002000023).

Subtracting from 2100001000011 its reverse (1100001000012), we obtain a palindrome (999999999999).

The spelling of 2100001000011 in words is "two trillion, one hundred billion, one million, eleven", and thus it is an aban number.