111440312201129 has 2 divisors, whose sum is σ = 111440312201130. Its totient is φ = 111440312201128.

The previous prime is 111440312201059. The next prime is 111440312201189. The reversal of 111440312201129 is 921102213044111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111428565976729 + 11746224400 = 10555973^2 + 108380^2 .

It is a cyclic number.

It is not a de Polignac number, because 111440312201129 - 2¹² = 111440312197033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111440312201095 and 111440312201104.

It is not a weakly prime, because it can be changed into another prime (111440312201189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55720156100564 + 55720156100565.

It is an arithmetic number, because the mean of its divisors is an integer number (55720156100565).

Almost surely, 2^{111440312201129} is an apocalyptic number.

It is an amenable number.

111440312201129 is a deficient number, since it is larger than the sum of its proper divisors (1).

111440312201129 is an equidigital number, since it uses as much as digits as its factorization.

111440312201129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 111440312201129 in words is "one hundred eleven trillion, four hundred forty billion, three hundred twelve million, two hundred one thousand, one hundred twenty-nine".