21102332312211 has 8 divisors (see below), whose sum is σ = 28475436373440. Its totient is φ = 13898724896232.

The previous prime is 21102332312209. The next prime is 21102332312233. The reversal of 21102332312211 is 11221323320112.

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

It is not a de Polignac number, because 21102332312211 - 2¹ = 21102332312209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21102332312261) 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, 42374161021 + ... + 42374161518.

It is an arithmetic number, because the mean of its divisors is an integer number (3559429546680).

Almost surely, 2^{21102332312211} is an apocalyptic number.

21102332312211 is a deficient number, since it is larger than the sum of its proper divisors (7373104061229).

21102332312211 is an equidigital number, since it uses as much as digits as its factorization.

21102332312211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84748322625.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21102332312211 its reverse (11221323320112), we get a palindrome (32323655632323).

The spelling of 21102332312211 in words is "twenty-one trillion, one hundred two billion, three hundred thirty-two million, three hundred twelve thousand, two hundred eleven".