111022121112211 has 4 divisors (see below), whose sum is σ = 111148714181632. Its totient is φ = 110895528042792.

The previous prime is 111022121112209. The next prime is 111022121112223. The reversal of 111022121112211 is 112211121220111.

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 111022121112211 - 2¹ = 111022121112209 is a prime.

It is a super-2 number, since 2×111022121112211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022121112271) 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, 63296533395 + ... + 63296535148.

It is an arithmetic number, because the mean of its divisors is an integer number (27787178545408).

Almost surely, 2^{111022121112211} is an apocalyptic number.

111022121112211 is a deficient number, since it is larger than the sum of its proper divisors (126593069421).

111022121112211 is an equidigital number, since it uses as much as digits as its factorization.

111022121112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126593069420.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111022121112211 its reverse (112211121220111), we get a palindrome (223233242332322).

The spelling of 111022121112211 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred eleven".