21102012301241 has 4 divisors (see below), whose sum is σ = 21107674234752. Its totient is φ = 21096350367732.

The previous prime is 21102012301231. The next prime is 21102012301283. The reversal of 21102012301241 is 14210321020112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21102012301241 - 2³⁴ = 21084832432057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21102012301231) 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, 2830961165 + ... + 2830968618.

It is an arithmetic number, because the mean of its divisors is an integer number (5276918558688).

Almost surely, 2^{21102012301241} is an apocalyptic number.

It is an amenable number.

21102012301241 is a deficient number, since it is larger than the sum of its proper divisors (5661933511).

21102012301241 is an equidigital number, since it uses as much as digits as its factorization.

21102012301241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661933510.

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

Adding to 21102012301241 its reverse (14210321020112), we get a palindrome (35312333321353).

The spelling of 21102012301241 in words is "twenty-one trillion, one hundred two billion, twelve million, three hundred one thousand, two hundred forty-one".