2110101221197 has 2 divisors, whose sum is σ = 2110101221198. Its totient is φ = 2110101221196.

The previous prime is 2110101221191. The next prime is 2110101221231. The reversal of 2110101221197 is 7911221010112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1185722810281 + 924378410916 = 1088909^2 + 961446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110101221197 is a prime.

It is a super-2 number, since 2×2110101221197² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110101221191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055050610598 + 1055050610599.

It is an arithmetic number, because the mean of its divisors is an integer number (1055050610599).

Almost surely, 2^{2110101221197} is an apocalyptic number.

It is an amenable number.

2110101221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110101221197 is an equidigital number, since it uses as much as digits as its factorization.

2110101221197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 2110101221197 in words is "two trillion, one hundred ten billion, one hundred one million, two hundred twenty-one thousand, one hundred ninety-seven".