122202002201021 has 8 divisors (see below), whose sum is σ = 122477785607544. Its totient is φ = 121926255402240.

The previous prime is 122202002200963. The next prime is 122202002201039. The reversal of 122202002201021 is 120102200202221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34144610668921 + 88057391532100 = 5843339^2 + 9383890^2 .

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 122202002201021 - 2²² = 122201998006717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202002221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2462600 + ... + 15826193.

It is an arithmetic number, because the mean of its divisors is an integer number (15309723200943).

Almost surely, 2^{122202002201021} is an apocalyptic number.

It is an amenable number.

122202002201021 is a deficient number, since it is larger than the sum of its proper divisors (275783406523).

122202002201021 is a wasteful number, since it uses less digits than its factorization.

122202002201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18303871.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122202002201021 its reverse (120102200202221), we get a palindrome (242304202403242).

The spelling of 122202002201021 in words is "one hundred twenty-two trillion, two hundred two billion, two million, two hundred one thousand, twenty-one".