2111211002111 has 16 divisors (see below), whose sum is σ = 2166799127808. Its totient is φ = 2055821342400.

The previous prime is 2111211002099. The next prime is 2111211002137. The reversal of 2111211002111 is 1112001121112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111211002111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111211002161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51640100 + ... + 51680966.

It is an arithmetic number, because the mean of its divisors is an integer number (135424945488).

Almost surely, 2^{2111211002111} is an apocalyptic number.

2111211002111 is a deficient number, since it is larger than the sum of its proper divisors (55588125697).

2111211002111 is a wasteful number, since it uses less digits than its factorization.

2111211002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43262.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111211002111 its reverse (1112001121112), we get a palindrome (3223212123223).

The spelling of 2111211002111 in words is "two trillion, one hundred eleven billion, two hundred eleven million, two thousand, one hundred eleven".