20001102002211 has 24 divisors (see below), whose sum is σ = 30061253345472. Its totient is φ = 11730851595600.

The previous prime is 20001102002201. The next prime is 20001102002251. The reversal of 20001102002211 is 11220020110002.

It is not a de Polignac number, because 20001102002211 - 2⁵ = 20001102002179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001102002201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315313761 + ... + 315377186.

It is an arithmetic number, because the mean of its divisors is an integer number (1252552222728).

Almost surely, 2^{20001102002211} is an apocalyptic number.

20001102002211 is a deficient number, since it is larger than the sum of its proper divisors (10060151343261).

20001102002211 is a wasteful number, since it uses less digits than its factorization.

20001102002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630691023 (or 630690992 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001102002211 its reverse (11220020110002), we get a palindrome (31221122112213).

The spelling of 20001102002211 in words is "twenty trillion, one billion, one hundred two million, two thousand, two hundred eleven".