20220111110121 has 8 divisors (see below), whose sum is σ = 29034005696640. Its totient is φ = 12443145298512.

The previous prime is 20220111110083. The next prime is 20220111110159. The reversal of 20220111110121 is 12101111102202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20220111110083) and next prime (20220111110159).

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

It is not a de Polignac number, because 20220111110121 - 2¹³ = 20220111101929 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220111110121.

It is not an unprimeable number, because it can be changed into a prime (20220111110321) 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, 259232193681 + ... + 259232193758.

It is an arithmetic number, because the mean of its divisors is an integer number (3629250712080).

Almost surely, 2^{20220111110121} is an apocalyptic number.

It is an amenable number.

20220111110121 is a deficient number, since it is larger than the sum of its proper divisors (8813894586519).

20220111110121 is a wasteful number, since it uses less digits than its factorization.

20220111110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518464387455.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20220111110121 its reverse (12101111102202), we get a palindrome (32321222212323).

The spelling of 20220111110121 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-one".