20002101210022 has 4 divisors (see below), whose sum is σ = 30003151815036. Its totient is φ = 10001050605010.

The previous prime is 20002101210011. The next prime is 20002101210053. The reversal of 20002101210022 is 22001210120002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20002101209984 and 20002101210011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000525302504 + ... + 5000525302507.

It is an arithmetic number, because the mean of its divisors is an integer number (7500787953759).

Almost surely, 2^{20002101210022} is an apocalyptic number.

20002101210022 is a deficient number, since it is larger than the sum of its proper divisors (10001050605014).

20002101210022 is a wasteful number, since it uses less digits than its factorization.

20002101210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001050605013.

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

Adding to 20002101210022 its reverse (22001210120002), we get a palindrome (42003311330024).

The spelling of 20002101210022 in words is "twenty trillion, two billion, one hundred one million, two hundred ten thousand, twenty-two".