201112202211097 has 2 divisors, whose sum is σ = 201112202211098. Its totient is φ = 201112202211096.

The previous prime is 201112202211091. The next prime is 201112202211119. The reversal of 201112202211097 is 790112202211102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181591498896921 + 19520703314176 = 13475589^2 + 4418224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201112202211097 is a prime.

It is a super-2 number, since 2×201112202211097² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201112202211091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556101105548 + 100556101105549.

It is an arithmetic number, because the mean of its divisors is an integer number (100556101105549).

Almost surely, 2^{201112202211097} is an apocalyptic number.

It is an amenable number.

201112202211097 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112202211097 is an equidigital number, since it uses as much as digits as its factorization.

201112202211097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

Adding to 201112202211097 its reverse (790112202211102), we get a palindrome (991224404422199).

The spelling of 201112202211097 in words is "two hundred one trillion, one hundred twelve billion, two hundred two million, two hundred eleven thousand, ninety-seven".