1111012012802 has 4 divisors (see below), whose sum is σ = 1666518019206. Its totient is φ = 555506006400.

The previous prime is 1111012012801. The next prime is 1111012012823. The reversal of 1111012012802 is 2082102101111.

It is a happy number.

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., 758224719121 + 352787293681 = 870761^2 + 593959^2 .

It is not an unprimeable number, because it can be changed into a prime (1111012012801) by changing a digit.

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, 277753003199 + ... + 277753003202.

Almost surely, 2^{1111012012802} is an apocalyptic number.

1111012012802 is a deficient number, since it is larger than the sum of its proper divisors (555506006404).

1111012012802 is an equidigital number, since it uses as much as digits as its factorization.

1111012012802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555506006403.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 1111012012802 its reverse (2082102101111), we get a palindrome (3193114113913).

The spelling of 1111012012802 in words is "one trillion, one hundred eleven billion, twelve million, twelve thousand, eight hundred two".