20000121110222 has 32 divisors (see below), whose sum is σ = 34777716132960. Its totient is φ = 8525312686080.

The previous prime is 20000121110209. The next prime is 20000121110269. The reversal of 20000121110222 is 22201112100002.

It is a junction number, because it is equal to n+sod(n) for n = 20000121110197 and 20000121110206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96423947 + ... + 96631142.

It is an arithmetic number, because the mean of its divisors is an integer number (1086803629155).

Almost surely, 2^{20000121110222} is an apocalyptic number.

20000121110222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20000121110222 is a deficient number, since it is larger than the sum of its proper divisors (14777595022738).

20000121110222 is a wasteful number, since it uses less digits than its factorization.

20000121110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193055396.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20000121110222 its reverse (22201112100002), we get a palindrome (42201233210224).

The spelling of 20000121110222 in words is "twenty trillion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty-two".