20001022100211 has 8 divisors (see below), whose sum is σ = 26668054679760. Its totient is φ = 13334002127072.

The previous prime is 20001022100203. The next prime is 20001022100219. The reversal of 20001022100211 is 11200122010002.

It is an interprime number because it is at equal distance from previous prime (20001022100203) and next prime (20001022100219).

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

It is a cyclic number.

It is not a de Polignac number, because 20001022100211 - 2³ = 20001022100203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20001022100219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554181 + ... + 6512873.

It is an arithmetic number, because the mean of its divisors is an integer number (3333506834970).

Almost surely, 2^{20001022100211} is an apocalyptic number.

20001022100211 is a deficient number, since it is larger than the sum of its proper divisors (6667032579549).

20001022100211 is a wasteful number, since it uses less digits than its factorization.

20001022100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303205.

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

Adding to 20001022100211 its reverse (11200122010002), we get a palindrome (31201144110213).

The spelling of 20001022100211 in words is "twenty trillion, one billion, twenty-two million, one hundred thousand, two hundred eleven".