411221444122109 has 2 divisors, whose sum is σ = 411221444122110. Its totient is φ = 411221444122108.

The previous prime is 411221444122087. The next prime is 411221444122163. The reversal of 411221444122109 is 901221444122114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269058507418009 + 142162936704100 = 16403003^2 + 11923210^2 .

It is a cyclic number.

It is not a de Polignac number, because 411221444122109 - 2³² = 411217149154813 is a prime.

It is a super-2 number, since 2×411221444122109² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411221444122199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205610722061054 + 205610722061055.

It is an arithmetic number, because the mean of its divisors is an integer number (205610722061055).

Almost surely, 2^{411221444122109} is an apocalyptic number.

It is an amenable number.

411221444122109 is a deficient number, since it is larger than the sum of its proper divisors (1).

411221444122109 is an equidigital number, since it uses as much as digits as its factorization.

411221444122109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 411221444122109 in words is "four hundred eleven trillion, two hundred twenty-one billion, four hundred forty-four million, one hundred twenty-two thousand, one hundred nine".