21141132102 has 24 divisors (see below), whose sum is σ = 48500244936. Its totient is φ = 6632511936.

The previous prime is 21141132079. The next prime is 21141132137. The reversal of 21141132102 is 20123114112.

21141132102 is a `hidden beast` number, since 211 + 411 + 32 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34544028 + ... + 34544639.

It is an arithmetic number, because the mean of its divisors is an integer number (2020843539).

Almost surely, 2^21141132102 is an apocalyptic number.

21141132102 is an abundant number, since it is smaller than the sum of its proper divisors (27359112834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21141132102 is a wasteful number, since it uses less digits than its factorization.

21141132102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69088692 (or 69088689 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21141132102 its reverse (20123114112), we get a palindrome (41264246214).

The spelling of 21141132102 in words is "twenty-one billion, one hundred forty-one million, one hundred thirty-two thousand, one hundred two".