21101032210030 has 8 divisors (see below), whose sum is σ = 37981857978072. Its totient is φ = 8440412884008.

The previous prime is 21101032209979. The next prime is 21101032210033. The reversal of 21101032210030 is 3001223010112.

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

It is a junction number, because it is equal to n+sod(n) for n = 21101032209986 and 21101032210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101032210033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055051610492 + ... + 1055051610511.

It is an arithmetic number, because the mean of its divisors is an integer number (4747732247259).

Almost surely, 2^{21101032210030} is an apocalyptic number.

21101032210030 is a deficient number, since it is larger than the sum of its proper divisors (16880825768042).

21101032210030 is a wasteful number, since it uses less digits than its factorization.

21101032210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110103221010.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21101032210030 its reverse (3001223010112), we get a palindrome (24102255220142).

The spelling of 21101032210030 in words is "twenty-one trillion, one hundred one billion, thirty-two million, two hundred ten thousand, thirty".