21101010332 has 12 divisors (see below), whose sum is σ = 36928707816. Its totient is φ = 10549950960.

The previous prime is 21101010251. The next prime is 21101010341. The reversal of 21101010332 is 23301010112.

It is a congruent number.

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, 46019 + ... + 210522.

It is an arithmetic number, because the mean of its divisors is an integer number (3077392318).

Almost surely, 2^21101010332 is an apocalyptic number.

It is an amenable number.

21101010332 is a deficient number, since it is larger than the sum of its proper divisors (15827697484).

21101010332 is a wasteful number, since it uses less digits than its factorization.

21101010332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277108 (or 277106 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21101010332 its reverse (23301010112), we get a palindrome (44402020444).

The spelling of 21101010332 in words is "twenty-one billion, one hundred one million, ten thousand, three hundred thirty-two".