1020002221002 has 8 divisors (see below), whose sum is σ = 2040004442016. Its totient is φ = 340000740332.

The previous prime is 1020002220997. The next prime is 1020002221003. The reversal of 1020002221002 is 2001222000201.

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

1020002221002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1020002221003) 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, 85000185078 + ... + 85000185089.

It is an arithmetic number, because the mean of its divisors is an integer number (255000555252).

Almost surely, 2^{1020002221002} is an apocalyptic number.

1020002221002 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.

1020002221002 is a wasteful number, since it uses less digits than its factorization.

1020002221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170000370172.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1020002221002 its reverse (2001222000201), we get a palindrome (3021224221203).

The spelling of 1020002221002 in words is "one trillion, twenty billion, two million, two hundred twenty-one thousand, two".