20001101020022 has 4 divisors (see below), whose sum is σ = 30001651530036. Its totient is φ = 10000550510010.

The previous prime is 20001101020013. The next prime is 20001101020039. The reversal of 20001101020022 is 22002010110002.

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 = 20001101019985 and 20001101020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000275255004 + ... + 5000275255007.

It is an arithmetic number, because the mean of its divisors is an integer number (7500412882509).

Almost surely, 2^{20001101020022} is an apocalyptic number.

20001101020022 is a deficient number, since it is larger than the sum of its proper divisors (10000550510014).

20001101020022 is a wasteful number, since it uses less digits than its factorization.

20001101020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000550510013.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001101020022 its reverse (22002010110002), we get a palindrome (42003111130024).

The spelling of 20001101020022 in words is "twenty trillion, one billion, one hundred one million, twenty thousand, twenty-two".