1111100120002 has 4 divisors (see below), whose sum is σ = 1666650180006. Its totient is φ = 555550060000.

The previous prime is 1111100119963. The next prime is 1111100120017. The reversal of 1111100120002 is 2000210011111.

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

It can be written as a sum of positive squares in only one way, i.e., 1102292109801 + 8808010201 = 1049901^2 + 93851^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277775029999 + ... + 277775030002.

Almost surely, 2^{1111100120002} is an apocalyptic number.

1111100120002 is a deficient number, since it is larger than the sum of its proper divisors (555550060004).

1111100120002 is an equidigital number, since it uses as much as digits as its factorization.

1111100120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555550060003.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1111100120002 its reverse (2000210011111), we get a palindrome (3111310131113).

The spelling of 1111100120002 in words is "one trillion, one hundred eleven billion, one hundred million, one hundred twenty thousand, two".