21340422422132 has 24 divisors (see below), whose sum is σ = 40769356531680. Its totient is φ = 9693394369760.

The previous prime is 21340422422107. The next prime is 21340422422161. The reversal of 21340422422132 is 23122422404312.

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, 169877507 + ... + 170003082.

It is an arithmetic number, because the mean of its divisors is an integer number (1698723188820).

Almost surely, 2^{21340422422132} is an apocalyptic number.

21340422422132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21340422422132 is a deficient number, since it is larger than the sum of its proper divisors (19428934109548).

21340422422132 is a wasteful number, since it uses less digits than its factorization.

21340422422132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339882031 (or 339882029 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 21340422422132 its reverse (23122422404312), we get a palindrome (44462844826444).

The spelling of 21340422422132 in words is "twenty-one trillion, three hundred forty billion, four hundred twenty-two million, four hundred twenty-two thousand, one hundred thirty-two".