201011001100051 has 2 divisors, whose sum is σ = 201011001100052. Its totient is φ = 201011001100050.

The previous prime is 201011001100043. The next prime is 201011001100061. The reversal of 201011001100051 is 150001100110102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201011001100051 - 2³ = 201011001100043 is a prime.

It is a super-2 number, since 2×201011001100051² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201011001100061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505500550025 + 100505500550026.

It is an arithmetic number, because the mean of its divisors is an integer number (100505500550026).

Almost surely, 2^{201011001100051} is an apocalyptic number.

201011001100051 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011001100051 is an equidigital number, since it uses as much as digits as its factorization.

201011001100051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 13.

Adding to 201011001100051 its reverse (150001100110102), we get a palindrome (351012101210153).

The spelling of 201011001100051 in words is "two hundred one trillion, eleven billion, one million, one hundred thousand, fifty-one".