111102022001161 has 2 divisors, whose sum is σ = 111102022001162. Its totient is φ = 111102022001160.

The previous prime is 111102022001149. The next prime is 111102022001189. The reversal of 111102022001161 is 161100220201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110185560418761 + 916461582400 = 10496931^2 + 957320^2 .

It is a cyclic number.

It is not a de Polignac number, because 111102022001161 - 2⁵ = 111102022001129 is a prime.

It is not a weakly prime, because it can be changed into another prime (111102022001111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551011000580 + 55551011000581.

It is an arithmetic number, because the mean of its divisors is an integer number (55551011000581).

Almost surely, 2^{111102022001161} is an apocalyptic number.

It is an amenable number.

111102022001161 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102022001161 is an equidigital number, since it uses as much as digits as its factorization.

111102022001161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111102022001161 its reverse (161100220201111), we get a palindrome (272202242202272).

The spelling of 111102022001161 in words is "one hundred eleven trillion, one hundred two billion, twenty-two million, one thousand, one hundred sixty-one".