21232101014 has 4 divisors (see below), whose sum is σ = 31848151524. Its totient is φ = 10616050506.

The previous prime is 21232100999. The next prime is 21232101031. The reversal of 21232101014 is 41010123212.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21232101014² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 21232100983 and 21232101001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5308025252 + ... + 5308025255.

It is an arithmetic number, because the mean of its divisors is an integer number (7962037881).

Almost surely, 2^21232101014 is an apocalyptic number.

21232101014 is a deficient number, since it is larger than the sum of its proper divisors (10616050510).

21232101014 is a wasteful number, since it uses less digits than its factorization.

21232101014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616050509.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21232101014 its reverse (41010123212), we get a palindrome (62242224226).

The spelling of 21232101014 in words is "twenty-one billion, two hundred thirty-two million, one hundred one thousand, fourteen".