2100012002111 has 16 divisors (see below), whose sum is σ = 2192885736960. Its totient is φ = 2007269652960.

The previous prime is 2100012002059. The next prime is 2100012002131. The reversal of 2100012002111 is 1112002100012.

It is a cyclic number.

It is not a de Polignac number, because 2100012002111 - 2⁶ = 2100012002047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100012002092 and 2100012002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100012002131) 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, 266528870 + ... + 266536748.

It is an arithmetic number, because the mean of its divisors is an integer number (137055358560).

Almost surely, 2^{2100012002111} is an apocalyptic number.

2100012002111 is a deficient number, since it is larger than the sum of its proper divisors (92873734849).

2100012002111 is a wasteful number, since it uses less digits than its factorization.

2100012002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14726.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100012002111 its reverse (1112002100012), we get a palindrome (3212014102123).

The spelling of 2100012002111 in words is "two trillion, one hundred billion, twelve million, two thousand, one hundred eleven".