20001112221022 has 8 divisors (see below), whose sum is σ = 30230688700872. Its totient is φ = 9924215987400.

The previous prime is 20001112221019. The next prime is 20001112221049. The reversal of 20001112221022 is 22012221110002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20001112220987 and 20001112221005.

It is a congruent 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, 38170061229 + ... + 38170061752.

It is an arithmetic number, because the mean of its divisors is an integer number (3778836087609).

Almost surely, 2^{20001112221022} is an apocalyptic number.

20001112221022 is a deficient number, since it is larger than the sum of its proper divisors (10229576479850).

20001112221022 is a wasteful number, since it uses less digits than its factorization.

20001112221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76340123114.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20001112221022 its reverse (22012221110002), we get a palindrome (42013333331024).

The spelling of 20001112221022 in words is "twenty trillion, one billion, one hundred twelve million, two hundred twenty-one thousand, twenty-two".