21233102 has 16 divisors (see below), whose sum is σ = 36789552. Its totient is φ = 9083520.

The previous prime is 21233087. The next prime is 21233111. The reversal of 21233102 is 20133212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28013 + ... + 28760.

It is an arithmetic number, because the mean of its divisors is an integer number (2299347).

Almost surely, 2^21233102 is an apocalyptic number.

21233102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21233102 is a deficient number, since it is larger than the sum of its proper divisors (15556450).

21233102 is a wasteful number, since it uses less digits than its factorization.

21233102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56803.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 21233102 is about 4607.9390186937. The cubic root of 21233102 is about 276.9094744308.

Adding to 21233102 its reverse (20133212), we get a palindrome (41366314).

It can be divided in two parts, 2123 and 3102, that added together give a palindrome (5225).

The spelling of 21233102 in words is "twenty-one million, two hundred thirty-three thousand, one hundred two".