245022512105021 has 32 divisors (see below), whose sum is σ = 280867549248000. Its totient is φ = 209389035405312.

The previous prime is 245022512104987. The next prime is 245022512105027. The reversal of 245022512105021 is 120501215220542.

It is not a de Polignac number, because 245022512105021 - 2¹⁴ = 245022512088637 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 (245022512105027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10761221525 + ... + 10761244293.

It is an arithmetic number, because the mean of its divisors is an integer number (8777110914000).

Almost surely, 2^{245022512105021} is an apocalyptic number.

It is an amenable number.

245022512105021 is a deficient number, since it is larger than the sum of its proper divisors (35845037142979).

245022512105021 is a wasteful number, since it uses less digits than its factorization.

245022512105021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26621.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 245022512105021 its reverse (120501215220542), we get a palindrome (365523727325563).

The spelling of 245022512105021 in words is "two hundred forty-five trillion, twenty-two billion, five hundred twelve million, one hundred five thousand, twenty-one".