105221132 has 6 divisors (see below), whose sum is σ = 184136988. Its totient is φ = 52610564.

The previous prime is 105221117. The next prime is 105221141. The reversal of 105221132 is 231122501.

It is a happy number.

It is a super-2 number, since 2×105221132² = 22142973238722848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105221132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13152638 + ... + 13152645.

It is an arithmetic number, because the mean of its divisors is an integer number (30689498).

Almost surely, 2^105221132 is an apocalyptic number.

It is an amenable number.

105221132 is a deficient number, since it is larger than the sum of its proper divisors (78915856).

105221132 is a wasteful number, since it uses less digits than its factorization.

105221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26305287 (or 26305285 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 105221132 is about 10257.7352276221. The cubic root of 105221132 is about 472.1003509220.

Adding to 105221132 its reverse (231122501), we get a palindrome (336343633).

The spelling of 105221132 in words is "one hundred five million, two hundred twenty-one thousand, one hundred thirty-two".