201101122201201 has 4 divisors (see below), whose sum is σ = 201101166662004. Its totient is φ = 201101077740400.

The previous prime is 201101122201153. The next prime is 201101122201211. The reversal of 201101122201201 is 102102221101102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145594509725025 + 55506612476176 = 12066255^2 + 7450276^2 .

It is a cyclic number.

It is not a de Polignac number, because 201101122201201 - 2¹³ = 201101122193009 is a prime.

It is a super-2 number, since 2×201101122201201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101122201211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14564590 + ... + 24785671.

It is an arithmetic number, because the mean of its divisors is an integer number (50275291665501).

Almost surely, 2^{201101122201201} is an apocalyptic number.

It is an amenable number.

201101122201201 is a deficient number, since it is larger than the sum of its proper divisors (44460803).

201101122201201 is an equidigital number, since it uses as much as digits as its factorization.

201101122201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44460802.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201101122201201 its reverse (102102221101102), we get a palindrome (303203343302303).

The spelling of 201101122201201 in words is "two hundred one trillion, one hundred one billion, one hundred twenty-two million, two hundred one thousand, two hundred one".