1112222022002 has 128 divisors (see below), whose sum is σ = 2242493890560. Its totient is φ = 401340199680.

The previous prime is 1112222021969. The next prime is 1112222022007. The reversal of 1112222022002 is 2002202222111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1112222022007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21091673 + ... + 21144339.

It is an arithmetic number, because the mean of its divisors is an integer number (17519483520).

Almost surely, 2^{1112222022002} is an apocalyptic number.

1112222022002 is an abundant number, since it is smaller than the sum of its proper divisors (1130271868558).

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

1112222022002 is a wasteful number, since it uses less digits than its factorization.

1112222022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52936.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1112222022002 its reverse (2002202222111), we get a palindrome (3114424244113).

The spelling of 1112222022002 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, twenty-two thousand, two".