1220111002002 has 8 divisors (see below), whose sum is σ = 2440222004016. Its totient is φ = 406703667332.

The previous prime is 1220111002001. The next prime is 1220111002031. The reversal of 1220111002002 is 2002001110221.

It is a sphenic number, since it is the product of 3 distinct primes.

1220111002002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1220111002001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101675916828 + ... + 101675916839.

It is an arithmetic number, because the mean of its divisors is an integer number (305027750502).

Almost surely, 2^{1220111002002} is an apocalyptic number.

1220111002002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220111002002 is a wasteful number, since it uses less digits than its factorization.

1220111002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203351833672.

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

Adding to 1220111002002 its reverse (2002001110221), we get a palindrome (3222112112223).

The spelling of 1220111002002 in words is "one trillion, two hundred twenty billion, one hundred eleven million, two thousand, two".