21102132202 has 32 divisors (see below), whose sum is σ = 33035701248. Its totient is φ = 10098000000.

The previous prime is 21102132193. The next prime is 21102132277. The reversal of 21102132202 is 20223120112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8270827 + ... + 8273377.

It is an arithmetic number, because the mean of its divisors is an integer number (1032365664).

Almost surely, 2^21102132202 is an apocalyptic number.

21102132202 is a deficient number, since it is larger than the sum of its proper divisors (11933569046).

21102132202 is a wasteful number, since it uses less digits than its factorization.

21102132202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21102132202 its reverse (20223120112), we get a palindrome (41325252314).

It can be divided in two parts, 2110 and 2132202, that added together give a palindrome (2134312).

The spelling of 21102132202 in words is "twenty-one billion, one hundred two million, one hundred thirty-two thousand, two hundred two".