111101012112022 has 4 divisors (see below), whose sum is σ = 166651518168036. Its totient is φ = 55550506056010.

The previous prime is 111101012111989. The next prime is 111101012112029. The reversal of 111101012112022 is 220211210101111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111101012111987 and 111101012112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101012112029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775253028004 + ... + 27775253028007.

It is an arithmetic number, because the mean of its divisors is an integer number (41662879542009).

Almost surely, 2^{111101012112022} is an apocalyptic number.

111101012112022 is a deficient number, since it is larger than the sum of its proper divisors (55550506056014).

111101012112022 is an equidigital number, since it uses as much as digits as its factorization.

111101012112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55550506056013.

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

Adding to 111101012112022 its reverse (220211210101111), we get a palindrome (331312222213133).

The spelling of 111101012112022 in words is "one hundred eleven trillion, one hundred one billion, twelve million, one hundred twelve thousand, twenty-two".