21331011032102 has 8 divisors (see below), whose sum is σ = 32061682571112. Its totient is φ = 10643783508400.

The previous prime is 21331011032099. The next prime is 21331011032117. The reversal of 21331011032102 is 20123011013312.

It is a happy number.

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

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, 10861002599 + ... + 10861004562.

It is an arithmetic number, because the mean of its divisors is an integer number (4007710321389).

Almost surely, 2^{21331011032102} is an apocalyptic number.

21331011032102 is a deficient number, since it is larger than the sum of its proper divisors (10730671539010).

21331011032102 is a wasteful number, since it uses less digits than its factorization.

21331011032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21722007654.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21331011032102 its reverse (20123011013312), we get a palindrome (41454022045414).

The spelling of 21331011032102 in words is "twenty-one trillion, three hundred thirty-one billion, eleven million, thirty-two thousand, one hundred two".