1111111022002 has 16 divisors (see below), whose sum is σ = 1670060700000. Its totient is φ = 554425223040.

The previous prime is 1111111021981. The next prime is 1111111022003. The reversal of 1111111022002 is 2002201111111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1111111022003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751649 + ... + 2300107.

It is an arithmetic number, because the mean of its divisors is an integer number (104378793750).

Almost surely, 2^{1111111022002} is an apocalyptic number.

1111111022002 is a deficient number, since it is larger than the sum of its proper divisors (558949677998).

1111111022002 is a wasteful number, since it uses less digits than its factorization.

1111111022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550521.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111111022002 its reverse (2002201111111), we get a palindrome (3113312133113).

The spelling of 1111111022002 in words is "one trillion, one hundred eleven billion, one hundred eleven million, twenty-two thousand, two".