212200001101157 has 2 divisors, whose sum is σ = 212200001101158. Its totient is φ = 212200001101156.

The previous prime is 212200001101111. The next prime is 212200001101183. The reversal of 212200001101157 is 751101100002212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208302511770721 + 3897489330436 = 14432689^2 + 1974206^2 .

It is a cyclic number.

It is not a de Polignac number, because 212200001101157 - 2²² = 212199996906853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212200001301157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100000550578 + 106100000550579.

It is an arithmetic number, because the mean of its divisors is an integer number (106100000550579).

Almost surely, 2^{212200001101157} is an apocalyptic number.

It is an amenable number.

212200001101157 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200001101157 is an equidigital number, since it uses as much as digits as its factorization.

212200001101157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 212200001101157 its reverse (751101100002212), we get a palindrome (963301101103369).

The spelling of 212200001101157 in words is "two hundred twelve trillion, two hundred billion, one million, one hundred one thousand, one hundred fifty-seven".