111122002 has 4 divisors (see below), whose sum is σ = 166683006. Its totient is φ = 55561000.

The previous prime is 111121999. The next prime is 111122003. The reversal of 111122002 is 200221111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200221111 = 263 ⋅761297.

It can be written as a sum of positive squares in only one way, i.e., 71419401 + 39702601 = 8451^2 + 6301^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111122002.

It is not an unprimeable number, because it can be changed into a prime (111122003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780499 + ... + 27780502.

Almost surely, 2^111122002 is an apocalyptic number.

111122002 is a deficient number, since it is larger than the sum of its proper divisors (55561004).

111122002 is an equidigital number, since it uses as much as digits as its factorization.

111122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55561003.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111122002 is about 10541.4421214557. The cubic root of 111122002 is about 480.7655636358.

Adding to 111122002 its reverse (200221111), we get a palindrome (311343113).

The spelling of 111122002 in words is "one hundred eleven million, one hundred twenty-two thousand, two".