122020110220121 has 8 divisors (see below), whose sum is σ = 123735672462600. Its totient is φ = 120316503115648.

The previous prime is 122020110220037. The next prime is 122020110220133. The reversal of 122020110220121 is 121022011020221.

It can be written as a sum of positive squares in 4 ways, for example, as 21194412780121 + 100825697440000 = 4603739^2 + 10041200^2 .

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 122020110220121 - 2²² = 122020106025817 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 122020110220121.

It is not an unprimeable number, because it can be changed into a prime (122020110220721) 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, 2988763946 + ... + 2988804771.

It is an arithmetic number, because the mean of its divisors is an integer number (15466959057825).

Almost surely, 2^{122020110220121} is an apocalyptic number.

It is an amenable number.

122020110220121 is a deficient number, since it is larger than the sum of its proper divisors (1715562242479).

122020110220121 is a wasteful number, since it uses less digits than its factorization.

122020110220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977569003.

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

Adding to 122020110220121 its reverse (121022011020221), we get a palindrome (243042121240342).

The spelling of 122020110220121 in words is "one hundred twenty-two trillion, twenty billion, one hundred ten million, two hundred twenty thousand, one hundred twenty-one".