1111111122002 has 32 divisors (see below), whose sum is σ = 1908184056960. Its totient is φ = 475335527040.

The previous prime is 1111111122001. The next prime is 1111111122019. The reversal of 1111111122002 is 2002211111111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1111111122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24569852 + ... + 24615032.

It is an arithmetic number, because the mean of its divisors is an integer number (59630751780).

Almost surely, 2^{1111111122002} is an apocalyptic number.

1111111122002 is a deficient number, since it is larger than the sum of its proper divisors (797072934958).

1111111122002 is a wasteful number, since it uses less digits than its factorization.

1111111122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48306.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111111122002 its reverse (2002211111111), we get a palindrome (3113322233113).

The spelling of 1111111122002 in words is "one trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, two".