20222001121121 has 8 divisors (see below), whose sum is σ = 21411689881824. Its totient is φ = 19032330058560.

The previous prime is 20222001121093. The next prime is 20222001121171. The reversal of 20222001121121 is 12112110022202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222001121121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222001121121.

It is not an unprimeable number, because it can be changed into a prime (20222001121171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035235 + ... + 6677288.

It is an arithmetic number, because the mean of its divisors is an integer number (2676461235228).

Almost surely, 2^{20222001121121} is an apocalyptic number.

It is an amenable number.

20222001121121 is a deficient number, since it is larger than the sum of its proper divisors (1189688760703).

20222001121121 is a wasteful number, since it uses less digits than its factorization.

20222001121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849071.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20222001121121 its reverse (12112110022202), we get a palindrome (32334111143323).

The spelling of 20222001121121 in words is "twenty trillion, two hundred twenty-two billion, one million, one hundred twenty-one thousand, one hundred twenty-one".