2002221001002 has 16 divisors (see below), whose sum is σ = 4005818606880. Its totient is φ = 667177566192.

The previous prime is 2002221000973. The next prime is 2002221001003. The reversal of 2002221001002 is 2001001222002.

It is not an unprimeable number, because it can be changed into a prime (2002221001003) 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, 57339628 + ... + 57374535.

It is an arithmetic number, because the mean of its divisors is an integer number (250363662930).

Almost surely, 2^{2002221001002} is an apocalyptic number.

2002221001002 is an abundant number, since it is smaller than the sum of its proper divisors (2003597605878).

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

2002221001002 is a wasteful number, since it uses less digits than its factorization.

2002221001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114717077.

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

Adding to 2002221001002 its reverse (2001001222002), we get a palindrome (4003222223004).

The spelling of 2002221001002 in words is "two trillion, two billion, two hundred twenty-one million, one thousand, two".