102011224 has 32 divisors (see below), whose sum is σ = 218949120. Its totient is φ = 43648416.

The previous prime is 102011219. The next prime is 102011227. The reversal of 102011224 is 422110201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48417 + ... + 50479.

It is an arithmetic number, because the mean of its divisors is an integer number (6842160).

Almost surely, 2^102011224 is an apocalyptic number.

102011224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102011224 is an abundant number, since it is smaller than the sum of its proper divisors (116937896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102011224 is a wasteful number, since it uses less digits than its factorization.

102011224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 102011224 is about 10100.0605938776. The cubic root of 102011224 is about 467.2500101866.

Adding to 102011224 its reverse (422110201), we get a palindrome (524121425).

The spelling of 102011224 in words is "one hundred two million, eleven thousand, two hundred twenty-four".