122121201002 has 8 divisors (see below), whose sum is σ = 184995483012. Its totient is φ = 60456040000.

The previous prime is 122121201001. The next prime is 122121201053. The reversal of 122121201002 is 200102121221.

122121201002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 101600925001 + 20520276001 = 318749^2 + 143249^2 .

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

It is not an unprimeable number, because it can be changed into a prime (122121201001) 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, 302279999 + ... + 302280402.

Almost surely, 2^122121201002 is an apocalyptic number.

122121201002 is a deficient number, since it is larger than the sum of its proper divisors (62874282010).

122121201002 is a wasteful number, since it uses less digits than its factorization.

122121201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604560504.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122121201002 its reverse (200102121221), we get a palindrome (322223322223).

The spelling of 122121201002 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, two".