21101424113432 has 64 divisors (see below), whose sum is σ = 44854456147200. Its totient is φ = 9225864835200.

The previous prime is 21101424113431. The next prime is 21101424113449. The reversal of 21101424113432 is 23431142410112.

It is a super-2 number, since 2×21101424113432² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21101424113395 and 21101424113404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101424113431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27384773 + ... + 28144779.

It is an arithmetic number, because the mean of its divisors is an integer number (700850877300).

Almost surely, 2^{21101424113432} is an apocalyptic number.

It is an amenable number.

21101424113432 is an abundant number, since it is smaller than the sum of its proper divisors (23753032033768).

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

21101424113432 is a wasteful number, since it uses less digits than its factorization.

21101424113432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774096 (or 774092 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 21101424113432 its reverse (23431142410112), we get a palindrome (44532566523544).

The spelling of 21101424113432 in words is "twenty-one trillion, one hundred one billion, four hundred twenty-four million, one hundred thirteen thousand, four hundred thirty-two".