1000111222002 has 16 divisors (see below), whose sum is σ = 2000238691680. Its totient is φ = 333367699392.

The previous prime is 1000111221983. The next prime is 1000111222009. The reversal of 1000111222002 is 2002221110001.

It is not an unprimeable number, because it can be changed into a prime (1000111222009) 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, 213274 + ... + 1430282.

It is an arithmetic number, because the mean of its divisors is an integer number (125014918230).

Almost surely, 2^{1000111222002} is an apocalyptic number.

1000111222002 is an abundant number, since it is smaller than the sum of its proper divisors (1000127469678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000111222002 is a wasteful number, since it uses less digits than its factorization.

1000111222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353977.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000111222002 its reverse (2002221110001), we get a palindrome (3002332332003).

The spelling of 1000111222002 in words is "one trillion, one hundred eleven million, two hundred twenty-two thousand, two".