22031213010197 has 2 divisors, whose sum is σ = 22031213010198. Its totient is φ = 22031213010196.

The previous prime is 22031213010113. The next prime is 22031213010251. The reversal of 22031213010197 is 79101031213022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13958846711716 + 8072366298481 = 3736154^2 + 2841191^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031213010197 - 2²² = 22031208815893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031213000197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015606505098 + 11015606505099.

It is an arithmetic number, because the mean of its divisors is an integer number (11015606505099).

Almost surely, 2^{22031213010197} is an apocalyptic number.

It is an amenable number.

22031213010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031213010197 is an equidigital number, since it uses as much as digits as its factorization.

22031213010197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 22031213010197 in words is "twenty-two trillion, thirty-one billion, two hundred thirteen million, ten thousand, one hundred ninety-seven".