21102103411 has 8 divisors (see below), whose sum is σ = 22221603360. Its totient is φ = 19999438272.

The previous prime is 21102103343. The next prime is 21102103469. The reversal of 21102103411 is 11430120112.

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

It is a cyclic number.

It is not a de Polignac number, because 21102103411 - 2¹⁹ = 21101579123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21102103471) 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, 4206130 + ... + 4211143.

It is an arithmetic number, because the mean of its divisors is an integer number (2777700420).

Almost surely, 2^21102103411 is an apocalyptic number.

21102103411 is a deficient number, since it is larger than the sum of its proper divisors (1119499949).

21102103411 is a wasteful number, since it uses less digits than its factorization.

21102103411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417405.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21102103411 its reverse (11430120112), we get a palindrome (32532223523).

The spelling of 21102103411 in words is "twenty-one billion, one hundred two million, one hundred three thousand, four hundred eleven".