20221121201222 has 16 divisors (see below), whose sum is σ = 30503409216000. Its totient is φ = 10053382485960.

The previous prime is 20221121201201. The next prime is 20221121201227. The reversal of 20221121201222 is 22210212112202.

It is a junction number, because it is equal to n+sod(n) for n = 20221121201194 and 20221121201203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221121201227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15459854 + ... + 16716737.

It is an arithmetic number, because the mean of its divisors is an integer number (1906463076000).

Almost surely, 2^{20221121201222} is an apocalyptic number.

20221121201222 is a deficient number, since it is larger than the sum of its proper divisors (10282288014778).

20221121201222 is a wasteful number, since it uses less digits than its factorization.

20221121201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32178371.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20221121201222 its reverse (22210212112202), we get a palindrome (42431333313424).

The spelling of 20221121201222 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-two".