20122020110121 has 4 divisors (see below), whose sum is σ = 26829360146832. Its totient is φ = 13414680073412.

The previous prime is 20122020110099. The next prime is 20122020110189. The reversal of 20122020110121 is 12101102022102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20122020110121 - 2¹⁸ = 20122019847977 is a prime.

It is a super-2 number, since 2×20122020110121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20122020110121.

It is not an unprimeable number, because it can be changed into a prime (20122020210121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353670018351 + ... + 3353670018356.

It is an arithmetic number, because the mean of its divisors is an integer number (6707340036708).

Almost surely, 2^{20122020110121} is an apocalyptic number.

It is an amenable number.

20122020110121 is a deficient number, since it is larger than the sum of its proper divisors (6707340036711).

20122020110121 is an equidigital number, since it uses as much as digits as its factorization.

20122020110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707340036710.

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

Adding to 20122020110121 its reverse (12101102022102), we get a palindrome (32223122132223).

The spelling of 20122020110121 in words is "twenty trillion, one hundred twenty-two billion, twenty million, one hundred ten thousand, one hundred twenty-one".