2002001022210 has 128 divisors (see below), whose sum is σ = 5613985013760. Its totient is φ = 447389040384.

The previous prime is 2002001022209. The next prime is 2002001022211. The reversal of 2002001022210 is 122201002002.

It is an interprime number because it is at equal distance from previous prime (2002001022209) and next prime (2002001022211).

It is not an unprimeable number, because it can be changed into a prime (2002001022211) 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, 9239796 + ... + 9453984.

It is an arithmetic number, because the mean of its divisors is an integer number (43859257920).

Almost surely, 2^{2002001022210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002001022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2806992506880).

2002001022210 is an abundant number, since it is smaller than the sum of its proper divisors (3611983991550).

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

2002001022210 is a wasteful number, since it uses less digits than its factorization.

2002001022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215200.

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

Adding to 2002001022210 its reverse (122201002002), we get a palindrome (2124202024212).

The spelling of 2002001022210 in words is "two trillion, two billion, one million, twenty-two thousand, two hundred ten".