122202021001 has 4 divisors (see below), whose sum is σ = 122564638612. Its totient is φ = 121839403392.

The previous prime is 122202020999. The next prime is 122202021037. The reversal of 122202021001 is 100120202221.

It is a happy number.

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 24079590976 + 98122430025 = 155176^2 + 313245^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202021001 - 2¹ = 122202020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122202022001) 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, 181308300 + ... + 181308973.

It is an arithmetic number, because the mean of its divisors is an integer number (30641159653).

Almost surely, 2^122202021001 is an apocalyptic number.

It is an amenable number.

122202021001 is a deficient number, since it is larger than the sum of its proper divisors (362617611).

122202021001 is an equidigital number, since it uses as much as digits as its factorization.

122202021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362617610.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122202021001 its reverse (100120202221), we get a palindrome (222322223222).

The spelling of 122202021001 in words is "one hundred twenty-two billion, two hundred two million, twenty-one thousand, one".