20000121222114 has 96 divisors (see below), whose sum is σ = 49736036009088. Its totient is φ = 5797136426400.

The previous prime is 20000121222113. The next prime is 20000121222139. The reversal of 20000121222114 is 41122212100002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20000121222113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17596777 + ... + 18698844.

It is an arithmetic number, because the mean of its divisors is an integer number (518083708428).

Almost surely, 2^{20000121222114} is an apocalyptic number.

20000121222114 is an abundant number, since it is smaller than the sum of its proper divisors (29735914786974).

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

20000121222114 is a wasteful number, since it uses less digits than its factorization.

20000121222114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36295685 (or 36295660 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20000121222114 its reverse (41122212100002), we get a palindrome (61122333322116).

The spelling of 20000121222114 in words is "twenty trillion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred fourteen".