210020221111320 has 96 divisors (see below), whose sum is σ = 684789060075120. Its totient is φ = 55822964279040.

The previous prime is 210020221111307. The next prime is 210020221111357. The reversal of 210020221111320 is 23111122020012.

210020221111320 is a `hidden beast` number, since 2 + 10 + 0 + 2 + 0 + 221 + 111 + 320 = 666.

It is a super-3 number, since 3×210020221111320³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210020221111293 and 210020221111302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 950035251 + ... + 950256290.

Almost surely, 2^{210020221111320} is an apocalyptic number.

210020221111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020221111320 is an abundant number, since it is smaller than the sum of its proper divisors (474768838963800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210020221111320 is a wasteful number, since it uses less digits than its factorization.

210020221111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900291865 (or 1900291858 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 210020221111320 its reverse (23111122020012), we get a palindrome (233131343131332).

The spelling of 210020221111320 in words is "two hundred ten trillion, twenty billion, two hundred twenty-one million, one hundred eleven thousand, three hundred twenty".