22100200101997 has 2 divisors, whose sum is σ = 22100200101998. Its totient is φ = 22100200101996.

The previous prime is 22100200101977. The next prime is 22100200102033. The reversal of 22100200101997 is 79910100200122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13895217961641 + 8204982140356 = 3727629^2 + 2864434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100200101997 is a prime.

It is a super-3 number, since 3×22100200101997³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22100200101977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050100050998 + 11050100050999.

It is an arithmetic number, because the mean of its divisors is an integer number (11050100050999).

Almost surely, 2^{22100200101997} is an apocalyptic number.

It is an amenable number.

22100200101997 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100200101997 is an equidigital number, since it uses as much as digits as its factorization.

22100200101997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 22100200101997 in words is "twenty-two trillion, one hundred billion, two hundred million, one hundred one thousand, nine hundred ninety-seven".