2111200102111 has 2 divisors, whose sum is σ = 2111200102112. Its totient is φ = 2111200102110.

The previous prime is 2111200102091. The next prime is 2111200102127. The reversal of 2111200102111 is 1112010021112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111200102111 - 2¹⁷ = 2111199971039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111200102091 and 2111200102100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111500102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055600051055 + 1055600051056.

It is an arithmetic number, because the mean of its divisors is an integer number (1055600051056).

Almost surely, 2^{2111200102111} is an apocalyptic number.

2111200102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111200102111 is an equidigital number, since it uses as much as digits as its factorization.

2111200102111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111200102111 its reverse (1112010021112), we get a palindrome (3223210123223).

The spelling of 2111200102111 in words is "two trillion, one hundred eleven billion, two hundred million, one hundred two thousand, one hundred eleven".