221210101121101 has 8 divisors (see below), whose sum is σ = 223761205375200. Its totient is φ = 218666073440400.

The previous prime is 221210101121081. The next prime is 221210101121131. The reversal of 221210101121101 is 101121101012122.

221210101121101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221210101121101 - 2⁴³ = 212414008098893 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 (221210101121131) 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, 1769080471 + ... + 1769205508.

It is an arithmetic number, because the mean of its divisors is an integer number (27970150671900).

Almost surely, 2^{221210101121101} is an apocalyptic number.

It is an amenable number.

221210101121101 is a deficient number, since it is larger than the sum of its proper divisors (2551104254099).

221210101121101 is a wasteful number, since it uses less digits than its factorization.

221210101121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538286699.

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

Adding to 221210101121101 its reverse (101121101012122), we get a palindrome (322331202133223).

The spelling of 221210101121101 in words is "two hundred twenty-one trillion, two hundred ten billion, one hundred one million, one hundred twenty-one thousand, one hundred one".