2021000220222 has 16 divisors (see below), whose sum is σ = 4042130561040. Its totient is φ = 673645053312.

The previous prime is 2021000220209. The next prime is 2021000220223. The reversal of 2021000220222 is 2220220001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021000220223) 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, 5219197 + ... + 5593032.

It is an arithmetic number, because the mean of its divisors is an integer number (252633160065).

Almost surely, 2^{2021000220222} is an apocalyptic number.

2021000220222 is an abundant number, since it is smaller than the sum of its proper divisors (2021130340818).

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

2021000220222 is a wasteful number, since it uses less digits than its factorization.

2021000220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10843387.

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

Adding to 2021000220222 its reverse (2220220001202), we get a palindrome (4241220221424).

The spelling of 2021000220222 in words is "two trillion, twenty-one billion, two hundred twenty thousand, two hundred twenty-two".