201102111022201 has 2 divisors, whose sum is σ = 201102111022202. Its totient is φ = 201102111022200.

The previous prime is 201102111022199. The next prime is 201102111022223. The reversal of 201102111022201 is 102220111201102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182739000573801 + 18363110448400 = 13518099^2 + 4285220^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102111022201 - 2¹ = 201102111022199 is a prime.

It is a super-2 number, since 2×201102111022201² (a number of 29 digits) contains 22 as substring.

Together with 201102111022199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201102111022271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551055511100 + 100551055511101.

It is an arithmetic number, because the mean of its divisors is an integer number (100551055511101).

Almost surely, 2^{201102111022201} is an apocalyptic number.

It is an amenable number.

201102111022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102111022201 is an equidigital number, since it uses as much as digits as its factorization.

201102111022201 is an evil number, because the sum of its binary digits is even.

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

Adding to 201102111022201 its reverse (102220111201102), we get a palindrome (303322222223303).

The spelling of 201102111022201 in words is "two hundred one trillion, one hundred two billion, one hundred eleven million, twenty-two thousand, two hundred one".