221111029014149 has 2 divisors, whose sum is σ = 221111029014150. Its totient is φ = 221111029014148.

The previous prime is 221111029014119. The next prime is 221111029014157. The reversal of 221111029014149 is 941410920111122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179626068076225 + 41484960937924 = 13402465^2 + 6440882^2 .

It is a cyclic number.

It is not a de Polignac number, because 221111029014149 - 2¹⁶ = 221111028948613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221111029014119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555514507074 + 110555514507075.

It is an arithmetic number, because the mean of its divisors is an integer number (110555514507075).

Almost surely, 2^{221111029014149} is an apocalyptic number.

It is an amenable number.

221111029014149 is a deficient number, since it is larger than the sum of its proper divisors (1).

221111029014149 is an equidigital number, since it uses as much as digits as its factorization.

221111029014149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 221111029014149 in words is "two hundred twenty-one trillion, one hundred eleven billion, twenty-nine million, fourteen thousand, one hundred forty-nine".