10212442513021 has 4 divisors (see below), whose sum is σ = 11671362872032. Its totient is φ = 8753522154012.

The previous prime is 10212442513001. The next prime is 10212442513037. The reversal of 10212442513021 is 12031524421201.

It is a happy number.

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 10212442513021 - 2³⁷ = 10075003559549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212442513001) 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, 729460179495 + ... + 729460179508.

It is an arithmetic number, because the mean of its divisors is an integer number (2917840718008).

Almost surely, 2^{10212442513021} is an apocalyptic number.

It is an amenable number.

10212442513021 is a deficient number, since it is larger than the sum of its proper divisors (1458920359011).

10212442513021 is an equidigital number, since it uses as much as digits as its factorization.

10212442513021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458920359010.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 10212442513021 its reverse (12031524421201), we get a palindrome (22243966934222).

The spelling of 10212442513021 in words is "ten trillion, two hundred twelve billion, four hundred forty-two million, five hundred thirteen thousand, twenty-one".