20112021220202 has 8 divisors (see below), whose sum is σ = 30168662616036. Its totient is φ = 10055800348192.

The previous prime is 20112021220169. The next prime is 20112021220211. The reversal of 20112021220202 is 20202212021102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19683073506721 + 428947713481 = 4436561^2 + 654941^2 .

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, 105011363 + ... + 105202710.

Almost surely, 2^{20112021220202} is an apocalyptic number.

20112021220202 is a deficient number, since it is larger than the sum of its proper divisors (10056641395834).

20112021220202 is a wasteful number, since it uses less digits than its factorization.

20112021220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210261912.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20112021220202 its reverse (20202212021102), we get a palindrome (40314233241304).

The spelling of 20112021220202 in words is "twenty trillion, one hundred twelve billion, twenty-one million, two hundred twenty thousand, two hundred two".