21143130110 has 8 divisors (see below), whose sum is σ = 38057634216. Its totient is φ = 8457252040.

The previous prime is 21143130109. The next prime is 21143130131. The reversal of 21143130110 is 1103134112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21143130110² (a number of 21 digits) contains 22 as substring.

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, 1057156496 + ... + 1057156515.

It is an arithmetic number, because the mean of its divisors is an integer number (4757204277).

Almost surely, 2^21143130110 is an apocalyptic number.

21143130110 is a deficient number, since it is larger than the sum of its proper divisors (16914504106).

21143130110 is a wasteful number, since it uses less digits than its factorization.

21143130110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114313018.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21143130110 its reverse (1103134112), we get a palindrome (22246264222).

The spelling of 21143130110 in words is "twenty-one billion, one hundred forty-three million, one hundred thirty thousand, one hundred ten".