201110010010101 has 8 divisors (see below), whose sum is σ = 297940755570560. Its totient is φ = 134073340006716.

The previous prime is 201110010010099. The next prime is 201110010010111. The reversal of 201110010010101 is 101010010011102.

It is not a de Polignac number, because 201110010010101 - 2¹ = 201110010010099 is a prime.

It is a super-2 number, since 2×201110010010101² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110010010111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3724259444605 + ... + 3724259444658.

It is an arithmetic number, because the mean of its divisors is an integer number (37242594446320).

Almost surely, 2^{201110010010101} is an apocalyptic number.

It is an amenable number.

201110010010101 is a deficient number, since it is larger than the sum of its proper divisors (96830745560459).

201110010010101 is an equidigital number, since it uses as much as digits as its factorization.

201110010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448518889272 (or 7448518889266 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 201110010010101 its reverse (101010010011102), we get a palindrome (302120020021203).

The spelling of 201110010010101 in words is "two hundred one trillion, one hundred ten billion, ten million, ten thousand, one hundred one".