111022200222001 has 2 divisors, whose sum is σ = 111022200222002. Its totient is φ = 111022200222000.

The previous prime is 111022200221987. The next prime is 111022200222007. The reversal of 111022200222001 is 100222002220111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104419479402225 + 6602720819776 = 10218585^2 + 2569576^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022200222001 - 2²⁵ = 111022166667569 is a prime.

It is not a weakly prime, because it can be changed into another prime (111022200222007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511100111000 + 55511100111001.

It is an arithmetic number, because the mean of its divisors is an integer number (55511100111001).

Almost surely, 2^{111022200222001} is an apocalyptic number.

It is an amenable number.

111022200222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022200222001 is an equidigital number, since it uses as much as digits as its factorization.

111022200222001 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 16.

Adding to 111022200222001 its reverse (100222002220111), we get a palindrome (211244202442112).

The spelling of 111022200222001 in words is "one hundred eleven trillion, twenty-two billion, two hundred million, two hundred twenty-two thousand, one".