1111122222002 has 32 divisors (see below), whose sum is σ = 1900764133632. Its totient is φ = 482585105664.

The previous prime is 1111122221999. The next prime is 1111122222017. The reversal of 1111122222002 is 2002222211111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2730053 + ... + 3110535.

It is an arithmetic number, because the mean of its divisors is an integer number (59398879176).

Almost surely, 2^{1111122222002} is an apocalyptic number.

1111122222002 is a deficient number, since it is larger than the sum of its proper divisors (789641911630).

1111122222002 is a wasteful number, since it uses less digits than its factorization.

1111122222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387122.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1111122222002 its reverse (2002222211111), we get a palindrome (3113344433113).

The spelling of 1111122222002 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, two".