20221201211122 has 16 divisors (see below), whose sum is σ = 31312495897344. Its totient is φ = 9783749430000.

The previous prime is 20221201211117. The next prime is 20221201211137. The reversal of 20221201211122 is 22111210212202.

It is a self number, because there is not a number n which added to its sum of digits gives 20221201211122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10842129 + ... + 12569572.

It is an arithmetic number, because the mean of its divisors is an integer number (1957030993584).

Almost surely, 2^{20221201211122} is an apocalyptic number.

20221201211122 is a deficient number, since it is larger than the sum of its proper divisors (11091294686222).

20221201211122 is a wasteful number, since it uses less digits than its factorization.

20221201211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23425665.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20221201211122 its reverse (22111210212202), we get a palindrome (42332411423324).

The spelling of 20221201211122 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred eleven thousand, one hundred twenty-two".