111022222012201 has 2 divisors, whose sum is σ = 111022222012202. Its totient is φ = 111022222012200.

The previous prime is 111022222012187. The next prime is 111022222012279. The reversal of 111022222012201 is 102210222220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88049603075625 + 22972618936576 = 9383475^2 + 4792976^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022222012201 - 2¹³ = 111022222004009 is a prime.

It is a super-2 number, since 2×111022222012201² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111022222012001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511111006100 + 55511111006101.

It is an arithmetic number, because the mean of its divisors is an integer number (55511111006101).

Almost surely, 2^{111022222012201} is an apocalyptic number.

It is an amenable number.

111022222012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022222012201 is an equidigital number, since it uses as much as digits as its factorization.

111022222012201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111022222012201 its reverse (102210222220111), we get a palindrome (213232444232312).

The spelling of 111022222012201 in words is "one hundred eleven trillion, twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred one".