1111122002 has 8 divisors (see below), whose sum is σ = 1683865596. Its totient is φ = 549833472.

The previous prime is 1111121983. The next prime is 1111122007. The reversal of 1111122002 is 2002211111.

It can be written as a sum of positive squares in 2 ways, for example, as 1079188201 + 31933801 = 32851^2 + 5651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1111122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863523 + ... + 2863910.

Almost surely, 2^1111122002 is an apocalyptic number.

1111122002 is a deficient number, since it is larger than the sum of its proper divisors (572743594).

1111122002 is an equidigital number, since it uses as much as digits as its factorization.

1111122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727532.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1111122002 is about 33333.4966962664. The cubic root of 1111122002 is about 1035.7475526926.

Adding to 1111122002 its reverse (2002211111), we get a palindrome (3113333113).

The spelling of 1111122002 in words is "one billion, one hundred eleven million, one hundred twenty-two thousand, two".