210011221101 has 8 divisors (see below), whose sum is σ = 305470867104. Its totient is φ = 127279527920.

The previous prime is 210011221087. The next prime is 210011221181. The reversal of 210011221101 is 101122110012.

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 210011221101 - 2⁹ = 210011220589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011221181) 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, 3181988166 + ... + 3181988231.

It is an arithmetic number, because the mean of its divisors is an integer number (38183858388).

Almost surely, 2^210011221101 is an apocalyptic number.

It is an amenable number.

210011221101 is a deficient number, since it is larger than the sum of its proper divisors (95459646003).

210011221101 is a wasteful number, since it uses less digits than its factorization.

210011221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363976411.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210011221101 its reverse (101122110012), we get a palindrome (311133331113).

The spelling of 210011221101 in words is "two hundred ten billion, eleven million, two hundred twenty-one thousand, one hundred one".