20001202102122 has 8 divisors (see below), whose sum is σ = 40002404204256. Its totient is φ = 6667067367372.

The previous prime is 20001202102099. The next prime is 20001202102129. The reversal of 20001202102122 is 22120120210002.

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

20001202102122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20001202102129) 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, 1666766841838 + ... + 1666766841849.

It is an arithmetic number, because the mean of its divisors is an integer number (5000300525532).

Almost surely, 2^{20001202102122} is an apocalyptic number.

20001202102122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001202102122 is a wasteful number, since it uses less digits than its factorization.

20001202102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333533683692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20001202102122 its reverse (22120120210002), we get a palindrome (42121322312124).

The spelling of 20001202102122 in words is "twenty trillion, one billion, two hundred two million, one hundred two thousand, one hundred twenty-two".