21002201301230 has 64 divisors (see below), whose sum is σ = 40051610293248. Its totient is φ = 7912862200320.

The previous prime is 21002201301227. The next prime is 21002201301251. The reversal of 21002201301230 is 3210310220012.

It is a junction number, because it is equal to n+sod(n) for n = 21002201301199 and 21002201301208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12727334 + ... + 14282486.

It is an arithmetic number, because the mean of its divisors is an integer number (625806410832).

Almost surely, 2^{21002201301230} is an apocalyptic number.

21002201301230 is a deficient number, since it is larger than the sum of its proper divisors (19049408992018).

21002201301230 is a wasteful number, since it uses less digits than its factorization.

21002201301230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556081.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21002201301230 its reverse (3210310220012), we get a palindrome (24212511521242).

The spelling of 21002201301230 in words is "twenty-one trillion, two billion, two hundred one million, three hundred one thousand, two hundred thirty".