211113401 has 2 divisors, whose sum is σ = 211113402. Its totient is φ = 211113400.

The previous prime is 211113391. The next prime is 211113407. The reversal of 211113401 is 104311112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202322176 + 8791225 = 14224^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 211113401 - 2¹⁴ = 211097017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211113407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556700 + 105556701.

It is an arithmetic number, because the mean of its divisors is an integer number (105556701).

Almost surely, 2^211113401 is an apocalyptic number.

It is an amenable number.

211113401 is a deficient number, since it is larger than the sum of its proper divisors (1).

211113401 is an equidigital number, since it uses as much as digits as its factorization.

211113401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 211113401 is about 14529.7419454029. The cubic root of 211113401 is about 595.4408154380.

Adding to 211113401 its reverse (104311112), we get a palindrome (315424513).

The spelling of 211113401 in words is "two hundred eleven million, one hundred thirteen thousand, four hundred one".