10021211204541 has 4 divisors (see below), whose sum is σ = 13361614939392. Its totient is φ = 6680807469692.

The previous prime is 10021211204533. The next prime is 10021211204579. The reversal of 10021211204541 is 14540211212001.

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 10021211204541 - 2³ = 10021211204533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211204531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670201867421 + ... + 1670201867426.

It is an arithmetic number, because the mean of its divisors is an integer number (3340403734848).

Almost surely, 2^{10021211204541} is an apocalyptic number.

It is an amenable number.

10021211204541 is a deficient number, since it is larger than the sum of its proper divisors (3340403734851).

10021211204541 is an equidigital number, since it uses as much as digits as its factorization.

10021211204541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340403734850.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 10021211204541 its reverse (14540211212001), we get a palindrome (24561422416542).

The spelling of 10021211204541 in words is "ten trillion, twenty-one billion, two hundred eleven million, two hundred four thousand, five hundred forty-one".