20221122200000 has 168 divisors, whose sum is σ = 50164666599600. Its totient is φ = 8086833920000.

The previous prime is 20221122199997. The next prime is 20221122200009. The reversal of 20221122200000 is 222112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221122200009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1841794511 + ... + 1841805489.

It is an arithmetic number, because the mean of its divisors is an integer number (298599205950).

Almost surely, 2^{20221122200000} is an apocalyptic number.

20221122200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221122200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25082333299800).

20221122200000 is an abundant number, since it is smaller than the sum of its proper divisors (29943544399600).

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

20221122200000 is an frugal number, since it uses more digits than its factorization.

20221122200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20225 (or 20195 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20221122200000 its reverse (222112202), we get a palindrome (20221344312202).

The spelling of 20221122200000 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred thousand".