111122021200097 has 2 divisors, whose sum is σ = 111122021200098. Its totient is φ = 111122021200096.

The previous prime is 111122021200079. The next prime is 111122021200391. The reversal of 111122021200097 is 790002120221111.

Together with previous prime (111122021200079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67911592240801 + 43210428959296 = 8240849^2 + 6573464^2 .

It is a cyclic number.

It is not a de Polignac number, because 111122021200097 - 2¹⁶ = 111122021134561 is a prime.

It is a super-2 number, since 2×111122021200097² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111122021202097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561010600048 + 55561010600049.

It is an arithmetic number, because the mean of its divisors is an integer number (55561010600049).

Almost surely, 2^{111122021200097} is an apocalyptic number.

It is an amenable number.

111122021200097 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122021200097 is an equidigital number, since it uses as much as digits as its factorization.

111122021200097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 111122021200097 in words is "one hundred eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred thousand, ninety-seven".