210111022097 has 2 divisors, whose sum is σ = 210111022098. Its totient is φ = 210111022096.

The previous prime is 210111022087. The next prime is 210111022127. The reversal of 210111022097 is 790220111012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110678643856 + 99432378241 = 332684^2 + 315329^2 .

It is a cyclic number.

It is not a de Polignac number, because 210111022097 - 2¹² = 210111018001 is a prime.

It is not a weakly prime, because it can be changed into another prime (210111022087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055511048 + 105055511049.

It is an arithmetic number, because the mean of its divisors is an integer number (105055511049).

Almost surely, 2^210111022097 is an apocalyptic number.

It is an amenable number.

210111022097 is a deficient number, since it is larger than the sum of its proper divisors (1).

210111022097 is an equidigital number, since it uses as much as digits as its factorization.

210111022097 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 26.

The spelling of 210111022097 in words is "two hundred ten billion, one hundred eleven million, twenty-two thousand, ninety-seven".