111122002022 has 4 divisors (see below), whose sum is σ = 166683003036. Its totient is φ = 55561001010.

The previous prime is 111122001997. The next prime is 111122002027. The reversal of 111122002022 is 220200221111.

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 = 111122001988 and 111122002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122002027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780500504 + ... + 27780500507.

It is an arithmetic number, because the mean of its divisors is an integer number (41670750759).

Almost surely, 2^111122002022 is an apocalyptic number.

111122002022 is a deficient number, since it is larger than the sum of its proper divisors (55561001014).

111122002022 is an equidigital number, since it uses as much as digits as its factorization.

111122002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55561001013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111122002022 its reverse (220200221111), we get a palindrome (331322223133).

The spelling of 111122002022 in words is "one hundred eleven billion, one hundred twenty-two million, two thousand, twenty-two".