20201121222202 has 8 divisors (see below), whose sum is σ = 30351113616276. Its totient is φ = 10084083350112.

The previous prime is 20201121222199. The next prime is 20201121222209. The reversal of 20201121222202 is 20222212110202.

It can be written as a sum of positive squares in 2 ways, for example, as 15349634815321 + 4851486406881 = 3917861^2 + 2202609^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20201121222202.

It is not an unprimeable number, because it can be changed into a prime (20201121222209) 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, 8238628963 + ... + 8238631414.

Almost surely, 2^{20201121222202} is an apocalyptic number.

20201121222202 is a deficient number, since it is larger than the sum of its proper divisors (10149992394074).

20201121222202 is a wasteful number, since it uses less digits than its factorization.

20201121222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16477260992.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20201121222202 its reverse (20222212110202), we get a palindrome (40423333332404).

The spelling of 20201121222202 in words is "twenty trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred two".