111100022311 has 2 divisors, whose sum is σ = 111100022312. Its totient is φ = 111100022310.

The previous prime is 111100022239. The next prime is 111100022333. The reversal of 111100022311 is 113220001111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100022311 - 2¹³ = 111100014119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111100022291 and 111100022300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100026311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550011155 + 55550011156.

It is an arithmetic number, because the mean of its divisors is an integer number (55550011156).

Almost surely, 2^111100022311 is an apocalyptic number.

111100022311 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100022311 is an equidigital number, since it uses as much as digits as its factorization.

111100022311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111100022311 its reverse (113220001111), we get a palindrome (224320023422).

It can be divided in two parts, 1111000 and 22311, that added together give a palindrome (1133311).

The spelling of 111100022311 in words is "one hundred eleven billion, one hundred million, twenty-two thousand, three hundred eleven".