122020122012101 has 4 divisors (see below), whose sum is σ = 122063132280012. Its totient is φ = 121977111744192.

The previous prime is 122020122012091. The next prime is 122020122012179. The reversal of 122020122012101 is 101210221020221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26357031888100 + 95663090124001 = 5133910^2 + 9780751^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020122012101 - 2²² = 122020117817797 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 122020122012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020122012001) 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 3 ways as a sum of consecutive naturals, for example, 21505129700 + ... + 21505135373.

It is an arithmetic number, because the mean of its divisors is an integer number (30515783070003).

Almost surely, 2^{122020122012101} is an apocalyptic number.

It is an amenable number.

122020122012101 is a deficient number, since it is larger than the sum of its proper divisors (43010267911).

122020122012101 is an equidigital number, since it uses as much as digits as its factorization.

122020122012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43010267910.

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

Adding to 122020122012101 its reverse (101210221020221), we get a palindrome (223230343032322).

The spelling of 122020122012101 in words is "one hundred twenty-two trillion, twenty billion, one hundred twenty-two million, twelve thousand, one hundred one".