1111202002 has 4 divisors (see below), whose sum is σ = 1666803006. Its totient is φ = 555601000.

The previous prime is 1111201981. The next prime is 1111202003. The reversal of 1111202002 is 2002021111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2002021111 = 6449 ⋅310439.

It can be written as a sum of positive squares in only one way, i.e., 802532241 + 308669761 = 28329^2 + 17569^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1111202002.

It is not an unprimeable number, because it can be changed into a prime (1111202003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277800499 + ... + 277800502.

Almost surely, 2^1111202002 is an apocalyptic number.

1111202002 is a deficient number, since it is larger than the sum of its proper divisors (555601004).

1111202002 is an equidigital number, since it uses as much as digits as its factorization.

1111202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555601003.

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

The square root of 1111202002 is about 33334.6966687864. The cubic root of 1111202002 is about 1035.7724097937.

Adding to 1111202002 its reverse (2002021111), we get a palindrome (3113223113).

The spelling of 1111202002 in words is "one billion, one hundred eleven million, two hundred two thousand, two".