202111201157 has 2 divisors, whose sum is σ = 202111201158. Its totient is φ = 202111201156.

The previous prime is 202111201153. The next prime is 202111201163. The reversal of 202111201157 is 751102111202.

It is a happy number.

202111201157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198915108001 + 3196093156 = 445999^2 + 56534^2 .

It is a cyclic number.

It is not a de Polignac number, because 202111201157 - 2² = 202111201153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202111201151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055600578 + 101055600579.

It is an arithmetic number, because the mean of its divisors is an integer number (101055600579).

Almost surely, 2^202111201157 is an apocalyptic number.

It is an amenable number.

202111201157 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111201157 is an equidigital number, since it uses as much as digits as its factorization.

202111201157 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 202111201157 its reverse (751102111202), we get a palindrome (953213312359).

The spelling of 202111201157 in words is "two hundred two billion, one hundred eleven million, two hundred one thousand, one hundred fifty-seven".