222212011097 has 2 divisors, whose sum is σ = 222212011098. Its totient is φ = 222212011096.

The previous prime is 222212011079. The next prime is 222212011103. The reversal of 222212011097 is 790110212222.

Together with previous prime (222212011079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120239723536 + 101972287561 = 346756^2 + 319331^2 .

It is a cyclic number.

It is not a de Polignac number, because 222212011097 - 2¹⁰ = 222212010073 is a prime.

It is a super-2 number, since 2×222212011097² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222212011297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106005548 + 111106005549.

It is an arithmetic number, because the mean of its divisors is an integer number (111106005549).

Almost surely, 2^222212011097 is an apocalyptic number.

It is an amenable number.

222212011097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212011097 is an equidigital number, since it uses as much as digits as its factorization.

222212011097 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 29.

The spelling of 222212011097 in words is "two hundred twenty-two billion, two hundred twelve million, eleven thousand, ninety-seven".