211001121983 has 2 divisors, whose sum is σ = 211001121984. Its totient is φ = 211001121982.

The previous prime is 211001121979. The next prime is 211001122027. The reversal of 211001121983 is 389121100112.

It is a happy number.

211001121983 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 211001121983 - 2² = 211001121979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211001121913) 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, 105500560991 + 105500560992.

It is an arithmetic number, because the mean of its divisors is an integer number (105500560992).

Almost surely, 2^211001121983 is an apocalyptic number.

211001121983 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001121983 is an equidigital number, since it uses as much as digits as its factorization.

211001121983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 211001121983 in words is "two hundred eleven billion, one million, one hundred twenty-one thousand, nine hundred eighty-three".