2021000220202 has 8 divisors (see below), whose sum is σ = 3032662277700.
Its totient is φ = 1010112794304.
The previous prime is 2021000220157. The next prime is 2021000220209. The reversal of 2021000220202 is 2020220001202.
It can be written as a sum of positive squares in 2 ways, for example, as 1757583896121 + 263416324081 = 1325739^2 + 513241^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2021000220209) 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, 193651377 + ... + 193661812.
Almost surely, 22021000220202 is an apocalyptic number.
2021000220202 is a deficient number, since it is larger than the sum of its proper divisors (1011662057498).
2021000220202 is a wasteful number, since it uses less digits than its factorization.
2021000220202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387315800.
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 2021000220202 its reverse (2020220001202), we get a palindrome (4041220221404).
The spelling of 2021000220202 in words is "two trillion, twenty-one billion, two hundred twenty thousand, two hundred two".