20221200011121 has 8 divisors (see below), whose sum is σ = 26961938194464. Its totient is φ = 13480630917600.

The previous prime is 20221200011059. The next prime is 20221200011171. The reversal of 20221200011121 is 12111000212202.

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

It is not a de Polignac number, because 20221200011121 - 2³⁴ = 20204020141937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20221200011121.

It is not an unprimeable number, because it can be changed into a prime (20221200011171) 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, 41993151 + ... + 42471956.

It is an arithmetic number, because the mean of its divisors is an integer number (3370242274308).

Almost surely, 2^{20221200011121} is an apocalyptic number.

It is an amenable number.

20221200011121 is a deficient number, since it is larger than the sum of its proper divisors (6740738183343).

20221200011121 is an equidigital number, since it uses as much as digits as its factorization.

20221200011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84544911.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20221200011121 its reverse (12111000212202), we get a palindrome (32332200223323).

The spelling of 20221200011121 in words is "twenty trillion, two hundred twenty-one billion, two hundred million, eleven thousand, one hundred twenty-one".