105522632021 has 16 divisors (see below), whose sum is σ = 111411417600. Its totient is φ = 99790436928.

The previous prime is 105522632009. The next prime is 105522632099. The reversal of 105522632021 is 120236225501.

It is a cyclic number.

It is not a de Polignac number, because 105522632021 - 2¹⁴ = 105522615637 is a prime.

It is a super-2 number, since 2×105522632021² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105522632321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843740 + ... + 960698.

It is an arithmetic number, because the mean of its divisors is an integer number (6963213600).

Almost surely, 2^105522632021 is an apocalyptic number.

It is an amenable number.

105522632021 is a deficient number, since it is larger than the sum of its proper divisors (5888785579).

105522632021 is a wasteful number, since it uses less digits than its factorization.

105522632021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117628.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 105522632021 its reverse (120236225501), we get a palindrome (225758857522).

The spelling of 105522632021 in words is "one hundred five billion, five hundred twenty-two million, six hundred thirty-two thousand, twenty-one".