210153053221 has 8 divisors (see below), whose sum is σ = 210714856704. Its totient is φ = 209591594160.

The previous prime is 210153053207. The next prime is 210153053237. The reversal of 210153053221 is 122350351012.

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

It is a cyclic number.

It is not a de Polignac number, because 210153053221 - 2⁵ = 210153053189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210153056221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159851 + ... + 1328743.

It is an arithmetic number, because the mean of its divisors is an integer number (26339357088).

Almost surely, 2^210153053221 is an apocalyptic number.

It is an amenable number.

210153053221 is a deficient number, since it is larger than the sum of its proper divisors (561803483).

210153053221 is a wasteful number, since it uses less digits than its factorization.

210153053221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172211.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 210153053221 in words is "two hundred ten billion, one hundred fifty-three million, fifty-three thousand, two hundred twenty-one".