3311111220149 has 2 divisors, whose sum is σ = 3311111220150. Its totient is φ = 3311111220148.

The previous prime is 3311111220121. The next prime is 3311111220251. The reversal of 3311111220149 is 9410221111133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3140639674225 + 170471545924 = 1772185^2 + 412882^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311111220149 - 2²⁰ = 3311110171573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3311111250149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655555610074 + 1655555610075.

It is an arithmetic number, because the mean of its divisors is an integer number (1655555610075).

Almost surely, 2^{3311111220149} is an apocalyptic number.

It is an amenable number.

3311111220149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311111220149 is an equidigital number, since it uses as much as digits as its factorization.

3311111220149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 3311111220149 in words is "three trillion, three hundred eleven billion, one hundred eleven million, two hundred twenty thousand, one hundred forty-nine".