210140221300 has 18 divisors (see below), whose sum is σ = 456004280438. Its totient is φ = 84056088480.

The previous prime is 210140221297. The next prime is 210140221301. The reversal of 210140221300 is 3122041012.

It can be written as a sum of positive squares in 3 ways, for example, as 39691795984 + 170448425316 = 199228^2 + 412854^2 .

It is a super-3 number, since 3×210140221300³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210140221301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050701007 + ... + 1050701206.

Almost surely, 2^210140221300 is an apocalyptic number.

210140221300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210140221300 is an abundant number, since it is smaller than the sum of its proper divisors (245864059138).

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

210140221300 is a wasteful number, since it uses less digits than its factorization.

210140221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101402227 (or 2101402220 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210140221300 its reverse (3122041012), we get a palindrome (213262262312).

The spelling of 210140221300 in words is "two hundred ten billion, one hundred forty million, two hundred twenty-one thousand, three hundred".