2021200222002 has 128 divisors (see below), whose sum is σ = 4677867210240. Its totient is φ = 576653230080.

The previous prime is 2021200222001. The next prime is 2021200222039. The reversal of 2021200222002 is 2002220021202.

It is not an unprimeable number, because it can be changed into a prime (2021200222001) 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, 88946002 + ... + 88968722.

It is an arithmetic number, because the mean of its divisors is an integer number (36545837580).

Almost surely, 2^{2021200222002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021200222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338933605120).

2021200222002 is an abundant number, since it is smaller than the sum of its proper divisors (2656666988238).

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

2021200222002 is a wasteful number, since it uses less digits than its factorization.

2021200222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23748.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2021200222002 its reverse (2002220021202), we get a palindrome (4023420243204).

The spelling of 2021200222002 in words is "two trillion, twenty-one billion, two hundred million, two hundred twenty-two thousand, two".