21001030113230 has 16 divisors (see below), whose sum is σ = 37807319393280. Its totient is φ = 8399197558752.

The previous prime is 21001030113211. The next prime is 21001030113253. The reversal of 21001030113230 is 3231103010012.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21001030113199 and 21001030113208.

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, 151738190 + ... + 151876529.

It is an arithmetic number, because the mean of its divisors is an integer number (2362957462080).

Almost surely, 2^{21001030113230} is an apocalyptic number.

21001030113230 is a deficient number, since it is larger than the sum of its proper divisors (16806289280050).

21001030113230 is a wasteful number, since it uses less digits than its factorization.

21001030113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303621643.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21001030113230 its reverse (3231103010012), we get a palindrome (24232133123242).

The spelling of 21001030113230 in words is "twenty-one trillion, one billion, thirty million, one hundred thirteen thousand, two hundred thirty".