21035102 has 16 divisors (see below), whose sum is σ = 34497792. Its totient is φ = 9540120.

The previous prime is 21035059. The next prime is 21035111. The reversal of 21035102 is 20153012.

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, 13403 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (2156112).

Almost surely, 2^21035102 is an apocalyptic number.

21035102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21035102 is a deficient number, since it is larger than the sum of its proper divisors (13462690).

21035102 is a wasteful number, since it uses less digits than its factorization.

21035102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 21035102 is about 4586.4040380237. The cubic root of 21035102 is about 276.0460523169.

Adding to 21035102 its reverse (20153012), we get a palindrome (41188114).

The spelling of 21035102 in words is "twenty-one million, thirty-five thousand, one hundred two".