201011100122001 has 32 divisors (see below), whose sum is σ = 289243518399360. Its totient is φ = 123436811635200.

The previous prime is 201011100121991. The next prime is 201011100122039. The reversal of 201011100122001 is 100221001110102.

It is not a de Polignac number, because 201011100122001 - 2¹¹ = 201011100119953 is a prime.

It is a super-2 number, since 2×201011100122001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201011100122071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230137215 + ... + 231009003.

It is an arithmetic number, because the mean of its divisors is an integer number (9038859949980).

Almost surely, 2^{201011100122001} is an apocalyptic number.

It is an amenable number.

201011100122001 is a deficient number, since it is larger than the sum of its proper divisors (88232418277359).

201011100122001 is a wasteful number, since it uses less digits than its factorization.

201011100122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884337.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201011100122001 its reverse (100221001110102), we get a palindrome (301232101232103).

The spelling of 201011100122001 in words is "two hundred one trillion, eleven billion, one hundred million, one hundred twenty-two thousand, one".