201002212211111 has 2 divisors, whose sum is σ = 201002212211112. Its totient is φ = 201002212211110.

The previous prime is 201002212211063. The next prime is 201002212211123. The reversal of 201002212211111 is 111112212200102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201002212211111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201002212211111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201002212211131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501106105555 + 100501106105556.

It is an arithmetic number, because the mean of its divisors is an integer number (100501106105556).

Almost surely, 2^{201002212211111} is an apocalyptic number.

201002212211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002212211111 is an equidigital number, since it uses as much as digits as its factorization.

201002212211111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201002212211111 its reverse (111112212200102), we get a palindrome (312114424411213).

The spelling of 201002212211111 in words is "two hundred one trillion, two billion, two hundred twelve million, two hundred eleven thousand, one hundred eleven".