21414121030 has 16 divisors (see below), whose sum is σ = 38583486864. Its totient is φ = 8557188640.

The previous prime is 21414121013. The next prime is 21414121031. The reversal of 21414121030 is 3012141412.

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 = 21414120989 and 21414121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21414121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046836 + ... + 1067095.

It is an arithmetic number, because the mean of its divisors is an integer number (2411467929).

Almost surely, 2^21414121030 is an apocalyptic number.

21414121030 is a deficient number, since it is larger than the sum of its proper divisors (17169365834).

21414121030 is a wasteful number, since it uses less digits than its factorization.

21414121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114951.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21414121030 its reverse (3012141412), we get a palindrome (24426262442).

The spelling of 21414121030 in words is "twenty-one billion, four hundred fourteen million, one hundred twenty-one thousand, thirty".