21330100102 has 8 divisors (see below), whose sum is σ = 32132469096. Its totient is φ = 10619277072.

The previous prime is 21330100037. The next prime is 21330100133. The reversal of 21330100102 is 20100103312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21330100102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22885908 + ... + 22886839.

It is an arithmetic number, because the mean of its divisors is an integer number (4016558637).

Almost surely, 2^21330100102 is an apocalyptic number.

21330100102 is a deficient number, since it is larger than the sum of its proper divisors (10802368994).

21330100102 is a wasteful number, since it uses less digits than its factorization.

21330100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45772982.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21330100102 its reverse (20100103312), we get a palindrome (41430203414).

The spelling of 21330100102 in words is "twenty-one billion, three hundred thirty million, one hundred thousand, one hundred two".