22120111200197 has 2 divisors, whose sum is σ = 22120111200198. Its totient is φ = 22120111200196.

The previous prime is 22120111200091. The next prime is 22120111200227. The reversal of 22120111200197 is 79100211102122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16230214198276 + 5889897001921 = 4028674^2 + 2426911^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120111200197 - 2¹⁴ = 22120111183813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120131200197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060055600098 + 11060055600099.

It is an arithmetic number, because the mean of its divisors is an integer number (11060055600099).

Almost surely, 2^{22120111200197} is an apocalyptic number.

It is an amenable number.

22120111200197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120111200197 is an equidigital number, since it uses as much as digits as its factorization.

22120111200197 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 22120111200197 in words is "twenty-two trillion, one hundred twenty billion, one hundred eleven million, two hundred thousand, one hundred ninety-seven".