12100021411 has 4 divisors (see below), whose sum is σ = 12101422032. Its totient is φ = 12098620792.

The previous prime is 12100021397. The next prime is 12100021429. The reversal of 12100021411 is 11412000121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11412000121 = 53 ⋅215320757.

It is a cyclic number.

It is not a de Polignac number, because 12100021411 - 2⁵ = 12100021379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100021391 and 12100021400.

It is not an unprimeable number, because it can be changed into a prime (12100021441) 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, 687271 + ... + 704656.

It is an arithmetic number, because the mean of its divisors is an integer number (3025355508).

Almost surely, 2^12100021411 is an apocalyptic number.

12100021411 is a deficient number, since it is larger than the sum of its proper divisors (1400621).

12100021411 is an equidigital number, since it uses as much as digits as its factorization.

12100021411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400620.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12100021411 its reverse (11412000121), we get a palindrome (23512021532).

The spelling of 12100021411 in words is "twelve billion, one hundred million, twenty-one thousand, four hundred eleven".