202111093939 has 2 divisors, whose sum is σ = 202111093940. Its totient is φ = 202111093938.

The previous prime is 202111093931. The next prime is 202111093967. The reversal of 202111093939 is 939390111202.

202111093939 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 is a cyclic number.

It is not a de Polignac number, because 202111093939 - 2³ = 202111093931 is a prime.

It is not a weakly prime, because it can be changed into another prime (202111093931) 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, 101055546969 + 101055546970.

It is an arithmetic number, because the mean of its divisors is an integer number (101055546970).

Almost surely, 2^202111093939 is an apocalyptic number.

202111093939 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111093939 is an equidigital number, since it uses as much as digits as its factorization.

202111093939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 202111093939 in words is "two hundred two billion, one hundred eleven million, ninety-three thousand, nine hundred thirty-nine".