2221020021202 has 8 divisors (see below), whose sum is σ = 3386145278412. Its totient is φ = 1092304928400.

The previous prime is 2221020021173. The next prime is 2221020021239. The reversal of 2221020021202 is 2021200201222.

It can be written as a sum of positive squares in 2 ways, for example, as 2219441468841 + 1578552361 = 1489779^2 + 39731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9102540949 + ... + 9102541192.

Almost surely, 2^{2221020021202} is an apocalyptic number.

2221020021202 is a deficient number, since it is larger than the sum of its proper divisors (1165125257210).

2221020021202 is a wasteful number, since it uses less digits than its factorization.

2221020021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18205082204.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2221020021202 its reverse (2021200201222), we get a palindrome (4242220222424).

The spelling of 2221020021202 in words is "two trillion, two hundred twenty-one billion, twenty million, twenty-one thousand, two hundred two".