21022111344132 has 18 divisors (see below), whose sum is σ = 53139225897758. Its totient is φ = 7007370448032.

The previous prime is 21022111344103. The next prime is 21022111344163. The reversal of 21022111344132 is 23144311122012.

21022111344132 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 211 + 1 + 3 + 441 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10711115110656 + 10310996233476 = 3272784^2 + 3211074^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 21022111344096 and 21022111344105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291973768633 + ... + 291973768704.

Almost surely, 2^{21022111344132} is an apocalyptic number.

It is an amenable number.

21022111344132 is an abundant number, since it is smaller than the sum of its proper divisors (32117114553626).

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

21022111344132 is a wasteful number, since it uses less digits than its factorization.

21022111344132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583947537347 (or 583947537342 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21022111344132 its reverse (23144311122012), we get a palindrome (44166422466144).

The spelling of 21022111344132 in words is "twenty-one trillion, twenty-two billion, one hundred eleven million, three hundred forty-four thousand, one hundred thirty-two".