10101011102221 has 8 divisors (see below), whose sum is σ = 10878309333920. Its totient is φ = 9323755353072.

The previous prime is 10101011102093. The next prime is 10101011102267. The reversal of 10101011102221 is 12220111010101.

It is a happy number.

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 10101011102221 - 2⁷ = 10101011102093 is a prime.

It is a super-2 number, since 2×10101011102221² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101011103221) 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, 10125951 + ... + 11078668.

It is an arithmetic number, because the mean of its divisors is an integer number (1359788666740).

Almost surely, 2^{10101011102221} is an apocalyptic number.

It is an amenable number.

10101011102221 is a deficient number, since it is larger than the sum of its proper divisors (777298231699).

10101011102221 is a wasteful number, since it uses less digits than its factorization.

10101011102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21241275.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101011102221 its reverse (12220111010101), we get a palindrome (22321122112322).

The spelling of 10101011102221 in words is "ten trillion, one hundred one billion, eleven million, one hundred two thousand, two hundred twenty-one".