201000201010111 has 2 divisors, whose sum is σ = 201000201010112. Its totient is φ = 201000201010110.

The previous prime is 201000201010051. The next prime is 201000201010123. The reversal of 201000201010111 is 111010102000102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000201010111 is a prime.

It is a super-2 number, since 2×201000201010111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000201014111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500100505055 + 100500100505056.

It is an arithmetic number, because the mean of its divisors is an integer number (100500100505056).

Almost surely, 2^{201000201010111} is an apocalyptic number.

201000201010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000201010111 is an equidigital number, since it uses as much as digits as its factorization.

201000201010111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201000201010111 its reverse (111010102000102), we get a palindrome (312010303010213).

The spelling of 201000201010111 in words is "two hundred one trillion, two hundred one million, ten thousand, one hundred eleven".