21122103002411 has 4 divisors (see below), whose sum is σ = 21122672414472. Its totient is φ = 21121533590352.

The previous prime is 21122103002393. The next prime is 21122103002459. The reversal of 21122103002411 is 11420030122112.

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 21122103002411 - 2¹⁸ = 21122102740267 is a prime.

It is a super-2 number, since 2×21122103002411² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122103302411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284650385 + ... + 284724578.

It is an arithmetic number, because the mean of its divisors is an integer number (5280668103618).

Almost surely, 2^{21122103002411} is an apocalyptic number.

21122103002411 is a deficient number, since it is larger than the sum of its proper divisors (569412061).

21122103002411 is an equidigital number, since it uses as much as digits as its factorization.

21122103002411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569412060.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21122103002411 its reverse (11420030122112), we get a palindrome (32542133124523).

The spelling of 21122103002411 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred three million, two thousand, four hundred eleven".