111222202101011 has 4 divisors (see below), whose sum is σ = 111224300567352. Its totient is φ = 111220103634672.

The previous prime is 111222202100987. The next prime is 111222202101083. The reversal of 111222202101011 is 110101202222111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111222202101011 - 2³⁴ = 111205022231827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222202101211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049153666 + ... + 1049259671.

It is an arithmetic number, because the mean of its divisors is an integer number (27806075141838).

Almost surely, 2^{111222202101011} is an apocalyptic number.

111222202101011 is a deficient number, since it is larger than the sum of its proper divisors (2098466341).

111222202101011 is an equidigital number, since it uses as much as digits as its factorization.

111222202101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098466340.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111222202101011 its reverse (110101202222111), we get a palindrome (221323404323122).

The spelling of 111222202101011 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred two million, one hundred one thousand, eleven".