2100211020111 has 32 divisors (see below), whose sum is σ = 2977425077760. Its totient is φ = 1314311128704.

The previous prime is 2100211020067. The next prime is 2100211020119. The reversal of 2100211020111 is 1110201120012.

It is not a de Polignac number, because 2100211020111 - 2⁷ = 2100211019983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100211020119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3943996 + ... + 4444718.

It is an arithmetic number, because the mean of its divisors is an integer number (93044533680).

Almost surely, 2^{2100211020111} is an apocalyptic number.

2100211020111 is a deficient number, since it is larger than the sum of its proper divisors (877214057649).

2100211020111 is a wasteful number, since it uses less digits than its factorization.

2100211020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502095.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2100211020111 its reverse (1110201120012), we get a palindrome (3210412140123).

Subtracting from 2100211020111 its reverse (1110201120012), we obtain a palindrome (990009900099).

The spelling of 2100211020111 in words is "two trillion, one hundred billion, two hundred eleven million, twenty thousand, one hundred eleven".