21210200011070 has 16 divisors (see below), whose sum is σ = 43632411451488. Its totient is φ = 7272068575200.

The previous prime is 21210200011069. The next prime is 21210200011097. The reversal of 21210200011070 is 7011000201212.

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, 151501428581 + ... + 151501428720.

It is an arithmetic number, because the mean of its divisors is an integer number (2727025715718).

Almost surely, 2^{21210200011070} is an apocalyptic number.

21210200011070 is an abundant number, since it is smaller than the sum of its proper divisors (22422211440418).

21210200011070 is a wasteful number, since it uses less digits than its factorization.

21210200011070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303002857315.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 21210200011070 its reverse (7011000201212), we get a palindrome (28221200212282).

The spelling of 21210200011070 in words is "twenty-one trillion, two hundred ten billion, two hundred million, eleven thousand, seventy".