122211011221097 has 2 divisors, whose sum is σ = 122211011221098. Its totient is φ = 122211011221096.

The previous prime is 122211011221087. The next prime is 122211011221129. The reversal of 122211011221097 is 790122110112221.

It is an a-pointer prime, because the next prime (122211011221129) can be obtained adding 122211011221097 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117465950625241 + 4745060595856 = 10838171^2 + 2178316^2 .

It is an emirp because it is prime and its reverse (790122110112221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122211011221097 - 2²⁶ = 122210944112233 is a prime.

It is not a weakly prime, because it can be changed into another prime (122211011221087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105505610548 + 61105505610549.

It is an arithmetic number, because the mean of its divisors is an integer number (61105505610549).

Almost surely, 2^{122211011221097} is an apocalyptic number.

It is an amenable number.

122211011221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211011221097 is an equidigital number, since it uses as much as digits as its factorization.

122211011221097 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 32.

The spelling of 122211011221097 in words is "one hundred twenty-two trillion, two hundred eleven billion, eleven million, two hundred twenty-one thousand, ninety-seven".