211122111041 has 2 divisors, whose sum is σ = 211122111042. Its totient is φ = 211122111040.

The previous prime is 211122110977. The next prime is 211122111107. The reversal of 211122111041 is 140111221112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207119650816 + 4002460225 = 455104^2 + 63265^2 .

It is a cyclic number.

It is not a de Polignac number, because 211122111041 - 2⁶ = 211122110977 is a prime.

It is not a weakly prime, because it can be changed into another prime (211122111241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561055520 + 105561055521.

It is an arithmetic number, because the mean of its divisors is an integer number (105561055521).

Almost surely, 2^211122111041 is an apocalyptic number.

It is an amenable number.

211122111041 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122111041 is an equidigital number, since it uses as much as digits as its factorization.

211122111041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211122111041 its reverse (140111221112), we get a palindrome (351233332153).

The spelling of 211122111041 in words is "two hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, forty-one".