20011022111202 has 8 divisors (see below), whose sum is σ = 40022044222416. Its totient is φ = 6670340703732.

The previous prime is 20011022111173. The next prime is 20011022111251. The reversal of 20011022111202 is 20211122011002.

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

20011022111202 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667585175928 + ... + 1667585175939.

It is an arithmetic number, because the mean of its divisors is an integer number (5002755527802).

Almost surely, 2^{20011022111202} is an apocalyptic number.

20011022111202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20011022111202 is a wasteful number, since it uses less digits than its factorization.

20011022111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335170351872.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20011022111202 its reverse (20211122011002), we get a palindrome (40222144122204).

The spelling of 20011022111202 in words is "twenty trillion, eleven billion, twenty-two million, one hundred eleven thousand, two hundred two".