211121200111139 has 2 divisors, whose sum is σ = 211121200111140. Its totient is φ = 211121200111138.

The previous prime is 211121200111093. The next prime is 211121200111141. The reversal of 211121200111139 is 931111002121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211121200111139 - 2³² = 211116905143843 is a prime.

It is a super-2 number, since 2×211121200111139² (a number of 29 digits) contains 22 as substring.

Together with 211121200111141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211121200111169) 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, 105560600055569 + 105560600055570.

It is an arithmetic number, because the mean of its divisors is an integer number (105560600055570).

Almost surely, 2^{211121200111139} is an apocalyptic number.

211121200111139 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121200111139 is an equidigital number, since it uses as much as digits as its factorization.

211121200111139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 211121200111139 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred million, one hundred eleven thousand, one hundred thirty-nine".