122120202020111 has 8 divisors (see below), whose sum is σ = 122236721778720. Its totient is φ = 122003686528992.

The previous prime is 122120202020087. The next prime is 122120202020177. The reversal of 122120202020111 is 111020202021221.

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

It is a cyclic number.

It is not a de Polignac number, because 122120202020111 - 2³⁴ = 122103022150927 is a prime.

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 122120202020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120202080111) by changing a digit.

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, 57737981 + ... + 59815673.

It is an arithmetic number, because the mean of its divisors is an integer number (15279590222340).

Almost surely, 2^{122120202020111} is an apocalyptic number.

122120202020111 is a deficient number, since it is larger than the sum of its proper divisors (116519758609).

122120202020111 is a wasteful number, since it uses less digits than its factorization.

122120202020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133745.

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

Adding to 122120202020111 its reverse (111020202021221), we get a palindrome (233140404041332).

The spelling of 122120202020111 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred two million, twenty thousand, one hundred eleven".