22102121100197 has 2 divisors, whose sum is σ = 22102121100198. Its totient is φ = 22102121100196.

The previous prime is 22102121100167. The next prime is 22102121100259. The reversal of 22102121100197 is 79100112120122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19277842547716 + 2824278552481 = 4390654^2 + 1680559^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102121100197 - 2⁶ = 22102121100133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102121100167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051060550098 + 11051060550099.

It is an arithmetic number, because the mean of its divisors is an integer number (11051060550099).

Almost surely, 2^{22102121100197} is an apocalyptic number.

It is an amenable number.

22102121100197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102121100197 is an equidigital number, since it uses as much as digits as its factorization.

22102121100197 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 22102121100197 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, one hundred thousand, one hundred ninety-seven".