21422144101132 has 12 divisors (see below), whose sum is σ = 39693972893400. Its totient is φ = 10081008988736.

The previous prime is 21422144101079. The next prime is 21422144101151. The reversal of 21422144101132 is 23110144122412.

It is a self number, because there is not a number n which added to its sum of digits gives 21422144101132.

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, 157515765382 + ... + 157515765517.

It is an arithmetic number, because the mean of its divisors is an integer number (3307831074450).

Almost surely, 2^{21422144101132} is an apocalyptic number.

It is an amenable number.

21422144101132 is a deficient number, since it is larger than the sum of its proper divisors (18271828792268).

21422144101132 is a wasteful number, since it uses less digits than its factorization.

21422144101132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315031530920 (or 315031530918 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 21422144101132 its reverse (23110144122412), we get a palindrome (44532288223544).

The spelling of 21422144101132 in words is "twenty-one trillion, four hundred twenty-two billion, one hundred forty-four million, one hundred one thousand, one hundred thirty-two".