21032022102211 has 4 divisors (see below), whose sum is σ = 21032042091592. Its totient is φ = 21032002112832.

The previous prime is 21032022102191. The next prime is 21032022102229. The reversal of 21032022102211 is 11220122023012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21032022102211 - 2¹⁹ = 21032021577923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21032022102241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8323281 + ... + 10551826.

It is an arithmetic number, because the mean of its divisors is an integer number (5258010522898).

Almost surely, 2^{21032022102211} is an apocalyptic number.

21032022102211 is a deficient number, since it is larger than the sum of its proper divisors (19989381).

21032022102211 is a wasteful number, since it uses less digits than its factorization.

21032022102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19989380.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21032022102211 its reverse (11220122023012), we get a palindrome (32252144125223).

The spelling of 21032022102211 in words is "twenty-one trillion, thirty-two billion, twenty-two million, one hundred two thousand, two hundred eleven".