2102111000011 has 4 divisors (see below), whose sum is σ = 2293212000024. Its totient is φ = 1911010000000.

The previous prime is 2102110999999. The next prime is 2102111000053. The reversal of 2102111000011 is 1100001112012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102111000011 - 2¹³ = 2102110991819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102111000411) 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, 95550499990 + ... + 95550500011.

It is an arithmetic number, because the mean of its divisors is an integer number (573303000006).

Almost surely, 2^{2102111000011} is an apocalyptic number.

2102111000011 is a deficient number, since it is larger than the sum of its proper divisors (191101000013).

2102111000011 is a wasteful number, since it uses less digits than its factorization.

2102111000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191101000012.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2102111000011 its reverse (1100001112012), we get a palindrome (3202112112023).

The spelling of 2102111000011 in words is "two trillion, one hundred two billion, one hundred eleven million, eleven", and thus it is an aban number.