11221200101197 has 2 divisors, whose sum is σ = 11221200101198. Its totient is φ = 11221200101196.

The previous prime is 11221200101183. The next prime is 11221200101261. The reversal of 11221200101197 is 79110100212211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7965145863081 + 3256054238116 = 2822259^2 + 1804454^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221200101197 - 2²³ = 11221191712589 is a prime.

It is a super-2 number, since 2×11221200101197² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221200101147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610600050598 + 5610600050599.

It is an arithmetic number, because the mean of its divisors is an integer number (5610600050599).

Almost surely, 2^{11221200101197} is an apocalyptic number.

It is an amenable number.

11221200101197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221200101197 is an equidigital number, since it uses as much as digits as its factorization.

11221200101197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 11221200101197 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, one hundred one thousand, one hundred ninety-seven".