21443141030 has 32 divisors (see below), whose sum is σ = 40988700000. Its totient is φ = 8053903872.

The previous prime is 21443141023. The next prime is 21443141089. The reversal of 21443141030 is 3014134412.

It is a junction number, because it is equal to n+sod(n) for n = 21443140987 and 21443141005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477905 + ... + 520844.

It is an arithmetic number, because the mean of its divisors is an integer number (1280896875).

Almost surely, 2^21443141030 is an apocalyptic number.

21443141030 is a deficient number, since it is larger than the sum of its proper divisors (19545558970).

21443141030 is a wasteful number, since it uses less digits than its factorization.

21443141030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998888.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21443141030 its reverse (3014134412), we get a palindrome (24457275442).

The spelling of 21443141030 in words is "twenty-one billion, four hundred forty-three million, one hundred forty-one thousand, thirty".