21102022001211 has 16 divisors (see below), whose sum is σ = 28176346941600. Its totient is φ = 14047864593408.

The previous prime is 21102022001197. The next prime is 21102022001251. The reversal of 21102022001211 is 11210022020112.

It is not a de Polignac number, because 21102022001211 - 2¹⁸ = 21102021739067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21102022001251) 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 15 ways as a sum of consecutive naturals, for example, 8601255 + ... + 10778943.

It is an arithmetic number, because the mean of its divisors is an integer number (1761021683850).

Almost surely, 2^{21102022001211} is an apocalyptic number.

21102022001211 is a deficient number, since it is larger than the sum of its proper divisors (7074324940389).

21102022001211 is a wasteful number, since it uses less digits than its factorization.

21102022001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182318.

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

Adding to 21102022001211 its reverse (11210022020112), we get a palindrome (32312044021323).

The spelling of 21102022001211 in words is "twenty-one trillion, one hundred two billion, twenty-two million, one thousand, two hundred eleven".