201011020110101 has 16 divisors (see below), whose sum is σ = 202346611772928. Its totient is φ = 199681096546800.

The previous prime is 201011020110049. The next prime is 201011020110149. The reversal of 201011020110101 is 101011020110102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201011020110101 is a prime.

It is a super-4 number, since 4×201011020110101⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011020119101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102680006 + ... + 104619336.

It is an arithmetic number, because the mean of its divisors is an integer number (12646663235808).

Almost surely, 2^{201011020110101} is an apocalyptic number.

It is an amenable number.

201011020110101 is a deficient number, since it is larger than the sum of its proper divisors (1335591662827).

201011020110101 is a wasteful number, since it uses less digits than its factorization.

201011020110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940792.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201011020110101 its reverse (101011020110102), we get a palindrome (302022040220203).

Subtracting from 201011020110101 its reverse (101011020110102), we obtain a palindrome (99999999999999).

The spelling of 201011020110101 in words is "two hundred one trillion, eleven billion, twenty million, one hundred ten thousand, one hundred one".