20001122111202 has 8 divisors (see below), whose sum is σ = 40002244222416. Its totient is φ = 6667040703732.

The previous prime is 20001122111161. The next prime is 20001122111237. The reversal of 20001122111202 is 20211122110002.

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

20001122111202 is an admirable number.

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, 1666760175928 + ... + 1666760175939.

It is an arithmetic number, because the mean of its divisors is an integer number (5000280527802).

Almost surely, 2^{20001122111202} is an apocalyptic number.

20001122111202 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.

20001122111202 is a wasteful number, since it uses less digits than its factorization.

20001122111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333520351872.

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

Adding to 20001122111202 its reverse (20211122110002), we get a palindrome (40212244221204).

The spelling of 20001122111202 in words is "twenty trillion, one billion, one hundred twenty-two million, one hundred eleven thousand, two hundred two".