111222020001011 has 4 divisors (see below), whose sum is σ = 117075810527400. Its totient is φ = 105368229474624.

The previous prime is 111222020000981. The next prime is 111222020001019. The reversal of 111222020001011 is 110100020222111.

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 111222020001011 - 2²⁶ = 111221952892147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111222020001019) 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, 2926895263166 + ... + 2926895263203.

It is an arithmetic number, because the mean of its divisors is an integer number (29268952631850).

Almost surely, 2^{111222020001011} is an apocalyptic number.

111222020001011 is a deficient number, since it is larger than the sum of its proper divisors (5853790526389).

111222020001011 is an equidigital number, since it uses as much as digits as its factorization.

111222020001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853790526388.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111222020001011 its reverse (110100020222111), we get a palindrome (221322040223122).

The spelling of 111222020001011 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty million, one thousand, eleven".