21102200201211 has 32 divisors (see below), whose sum is σ = 28834449735168. Its totient is φ = 13723894759680.

The previous prime is 21102200201107. The next prime is 21102200201273. The reversal of 21102200201211 is 11210200220112.

It is not a de Polignac number, because 21102200201211 - 2²⁶ = 21102133092347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21102200202211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7780801 + ... + 10136333.

It is an arithmetic number, because the mean of its divisors is an integer number (901076554224).

Almost surely, 2^{21102200201211} is an apocalyptic number.

21102200201211 is a deficient number, since it is larger than the sum of its proper divisors (7732249533957).

21102200201211 is a wasteful number, since it uses less digits than its factorization.

21102200201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356051.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21102200201211 its reverse (11210200220112), we get a palindrome (32312400421323).

The spelling of 21102200201211 in words is "twenty-one trillion, one hundred two billion, two hundred million, two hundred one thousand, two hundred eleven".