2100003020111 has 2 divisors, whose sum is σ = 2100003020112. Its totient is φ = 2100003020110.

The previous prime is 2100003020083. The next prime is 2100003020161. The reversal of 2100003020111 is 1110203000012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100003020111 - 2¹⁰ = 2100003019087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100003020092 and 2100003020101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100003020161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050001510055 + 1050001510056.

It is an arithmetic number, because the mean of its divisors is an integer number (1050001510056).

Almost surely, 2^{2100003020111} is an apocalyptic number.

2100003020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100003020111 is an equidigital number, since it uses as much as digits as its factorization.

2100003020111 is an evil number, because the sum of its binary digits is even.

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

Adding to 2100003020111 its reverse (1110203000012), we get a palindrome (3210206020123).

The spelling of 2100003020111 in words is "two trillion, one hundred billion, three million, twenty thousand, one hundred eleven".