105203421332 has 36 divisors (see below), whose sum is σ = 185810726556. Its totient is φ = 52117482240.

The previous prime is 105203421329. The next prime is 105203421361. The reversal of 105203421332 is 233124302501.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 845995396 + 104357425936 = 29086^2 + 323044^2 .

It is a super-2 number, since 2×105203421332² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88183328 + ... + 88184520.

It is an arithmetic number, because the mean of its divisors is an integer number (5161409071).

Almost surely, 2^105203421332 is an apocalyptic number.

It is an amenable number.

105203421332 is a deficient number, since it is larger than the sum of its proper divisors (80607305224).

105203421332 is a wasteful number, since it uses less digits than its factorization.

105203421332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 105203421332 its reverse (233124302501), we get a palindrome (338327723833).

The spelling of 105203421332 in words is "one hundred five billion, two hundred three million, four hundred twenty-one thousand, three hundred thirty-two".