210100221101 has 8 divisors (see below), whose sum is σ = 210662420544. Its totient is φ = 209538212800.

The previous prime is 210100221091. The next prime is 210100221131. The reversal of 210100221101 is 101122001012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210100221101 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 (210100221131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2308016 + ... + 2397318.

It is an arithmetic number, because the mean of its divisors is an integer number (26332802568).

Almost surely, 2^210100221101 is an apocalyptic number.

It is an amenable number.

210100221101 is a deficient number, since it is larger than the sum of its proper divisors (562199443).

210100221101 is an equidigital number, since it uses as much as digits as its factorization.

210100221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95571.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210100221101 its reverse (101122001012), we get a palindrome (311222222113).

The spelling of 210100221101 in words is "two hundred ten billion, one hundred million, two hundred twenty-one thousand, one hundred one".