110212210201997 has 2 divisors, whose sum is σ = 110212210201998. Its totient is φ = 110212210201996.

The previous prime is 110212210201931. The next prime is 110212210202033. The reversal of 110212210201997 is 799102012212011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66398150032036 + 43814060169961 = 8148506^2 + 6619219^2 .

It is an emirp because it is prime and its reverse (799102012212011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110212210201997 - 2²⁰ = 110212209153421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110212210201997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110212210207997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106105100998 + 55106105100999.

It is an arithmetic number, because the mean of its divisors is an integer number (55106105100999).

Almost surely, 2^{110212210201997} is an apocalyptic number.

It is an amenable number.

110212210201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

110212210201997 is an equidigital number, since it uses as much as digits as its factorization.

110212210201997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 110212210201997 in words is "one hundred ten trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, nine hundred ninety-seven".