211122220119949 has 2 divisors, whose sum is σ = 211122220119950. Its totient is φ = 211122220119948.

The previous prime is 211122220119907. The next prime is 211122220120033. The reversal of 211122220119949 is 949911022221112.

211122220119949 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., 114396608053225 + 96725612066724 = 10695635^2 + 9834918^2 .

It is a cyclic number.

It is not a de Polignac number, because 211122220119949 - 2³³ = 211113630185357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211122220119899 and 211122220119908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211122220119149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561110059974 + 105561110059975.

It is an arithmetic number, because the mean of its divisors is an integer number (105561110059975).

Almost surely, 2^{211122220119949} is an apocalyptic number.

It is an amenable number.

211122220119949 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122220119949 is an equidigital number, since it uses as much as digits as its factorization.

211122220119949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 211122220119949 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty million, one hundred nineteen thousand, nine hundred forty-nine".