21000220311302 has 8 divisors (see below), whose sum is σ = 31500408161712. Its totient is φ = 10500084257400.

The previous prime is 21000220311269. The next prime is 21000220311341. The reversal of 21000220311302 is 20311302200012.

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

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, 11919149 + ... + 13567112.

It is an arithmetic number, because the mean of its divisors is an integer number (3937551020214).

Almost surely, 2^{21000220311302} is an apocalyptic number.

21000220311302 is a deficient number, since it is larger than the sum of its proper divisors (10500187850410).

21000220311302 is a wasteful number, since it uses less digits than its factorization.

21000220311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25898254.

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

Adding to 21000220311302 its reverse (20311302200012), we get a palindrome (41311522511314).

The spelling of 21000220311302 in words is "twenty-one trillion, two hundred twenty million, three hundred eleven thousand, three hundred two".