21101000221132 has 96 divisors (see below), whose sum is σ = 41277509570304. Its totient is φ = 9376689254400.

The previous prime is 21101000221121. The next prime is 21101000221153. The reversal of 21101000221132 is 23112200010112.

It is a super-2 number, since 2×21101000221132² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72312388 + ... + 72603604.

It is an arithmetic number, because the mean of its divisors is an integer number (429974058024).

Almost surely, 2^{21101000221132} is an apocalyptic number.

It is an amenable number.

21101000221132 is a deficient number, since it is larger than the sum of its proper divisors (20176509349172).

21101000221132 is a wasteful number, since it uses less digits than its factorization.

21101000221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291779 (or 291777 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21101000221132 its reverse (23112200010112), we get a palindrome (44213200231244).

The spelling of 21101000221132 in words is "twenty-one trillion, one hundred one billion, two hundred twenty-one thousand, one hundred thirty-two".