10101102110221 has 4 divisors (see below), whose sum is σ = 10251864828352. Its totient is φ = 9950339392092.

The previous prime is 10101102110189. The next prime is 10101102110227. The reversal of 10101102110221 is 12201120110101.

It is a happy number.

10101102110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10101102110221 - 2⁵ = 10101102110189 is a prime.

It is a super-2 number, since 2×10101102110221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101102110227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75381358965 + ... + 75381359098.

It is an arithmetic number, because the mean of its divisors is an integer number (2562966207088).

Almost surely, 2^{10101102110221} is an apocalyptic number.

It is an amenable number.

10101102110221 is a deficient number, since it is larger than the sum of its proper divisors (150762718131).

10101102110221 is an equidigital number, since it uses as much as digits as its factorization.

10101102110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150762718130.

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

Adding to 10101102110221 its reverse (12201120110101), we get a palindrome (22302222220322).

The spelling of 10101102110221 in words is "ten trillion, one hundred one billion, one hundred two million, one hundred ten thousand, two hundred twenty-one".