111101122220041 has 2 divisors, whose sum is σ = 111101122220042. Its totient is φ = 111101122220040.

The previous prime is 111101122220003. The next prime is 111101122220119. The reversal of 111101122220041 is 140022221101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82864226674441 + 28236895545600 = 9102979^2 + 5313840^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101122220041 - 2¹⁷ = 111101122088969 is a prime.

It is not a weakly prime, because it can be changed into another prime (111101122224041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550561110020 + 55550561110021.

It is an arithmetic number, because the mean of its divisors is an integer number (55550561110021).

Almost surely, 2^{111101122220041} is an apocalyptic number.

It is an amenable number.

111101122220041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101122220041 is an equidigital number, since it uses as much as digits as its factorization.

111101122220041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111101122220041 its reverse (140022221101111), we get a palindrome (251123343321152).

The spelling of 111101122220041 in words is "one hundred eleven trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty thousand, forty-one".