20001101012210 has 8 divisors (see below), whose sum is σ = 36001981821996. Its totient is φ = 8000440404880.

The previous prime is 20001101012171. The next prime is 20001101012213. The reversal of 20001101012210 is 1221010110002.

It can be written as a sum of positive squares in 2 ways, for example, as 19340442541729 + 660658470481 = 4397777^2 + 812809^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20001101012191 and 20001101012200.

It is not an unprimeable number, because it can be changed into a prime (20001101012213) 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, 1000055050601 + ... + 1000055050620.

Almost surely, 2^{20001101012210} is an apocalyptic number.

20001101012210 is a deficient number, since it is larger than the sum of its proper divisors (16000880809786).

20001101012210 is a wasteful number, since it uses less digits than its factorization.

20001101012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000110101228.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001101012210 its reverse (1221010110002), we get a palindrome (21222111122212).

The spelling of 20001101012210 in words is "twenty trillion, one billion, one hundred one million, twelve thousand, two hundred ten".