21100211223230 has 8 divisors (see below), whose sum is σ = 37980380201832. Its totient is φ = 8440084489288.

The previous prime is 21100211223227. The next prime is 21100211223269. The reversal of 21100211223230 is 3232211200112.

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

It is a super-3 number, since 3×21100211223230³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

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, 1055010561152 + ... + 1055010561171.

It is an arithmetic number, because the mean of its divisors is an integer number (4747547525229).

Almost surely, 2^{21100211223230} is an apocalyptic number.

21100211223230 is a deficient number, since it is larger than the sum of its proper divisors (16880168978602).

21100211223230 is a wasteful number, since it uses less digits than its factorization.

21100211223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110021122330.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21100211223230 its reverse (3232211200112), we get a palindrome (24332422423342).

The spelling of 21100211223230 in words is "twenty-one trillion, one hundred billion, two hundred eleven million, two hundred twenty-three thousand, two hundred thirty".