21112334030 has 16 divisors (see below), whose sum is σ = 38646307440. Its totient is φ = 8301798912.

The previous prime is 21112334029. The next prime is 21112334099. The reversal of 21112334030 is 3043321112.

It is a junction number, because it is equal to n+sod(n) for n = 21112333993 and 21112334011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17891219 + ... + 17892398.

It is an arithmetic number, because the mean of its divisors is an integer number (2415394215).

Almost surely, 2^21112334030 is an apocalyptic number.

21112334030 is a deficient number, since it is larger than the sum of its proper divisors (17533973410).

21112334030 is a wasteful number, since it uses less digits than its factorization.

21112334030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35783683.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21112334030 its reverse (3043321112), we get a palindrome (24155655142).

The spelling of 21112334030 in words is "twenty-one billion, one hundred twelve million, three hundred thirty-four thousand, thirty".