102221043 has 32 divisors (see below), whose sum is σ = 144986112. Its totient is φ = 63974400.

The previous prime is 102220997. The next prime is 102221071. The reversal of 102221043 is 340122201.

It is not a de Polignac number, because 102221043 - 2¹⁶ = 102155507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102291043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746071 + ... + 746207.

It is an arithmetic number, because the mean of its divisors is an integer number (4530816).

Almost surely, 2^102221043 is an apocalyptic number.

102221043 is a deficient number, since it is larger than the sum of its proper divisors (42765069).

102221043 is a wasteful number, since it uses less digits than its factorization.

102221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102221043 is about 10110.4422751925. The cubic root of 102221043 is about 467.5701409434.

Adding to 102221043 its reverse (340122201), we get a palindrome (442343244).

The spelling of 102221043 in words is "one hundred two million, two hundred twenty-one thousand, forty-three".