10101010312221 has 16 divisors (see below), whose sum is σ = 13703259983040. Its totient is φ = 6617069608320.

The previous prime is 10101010312219. The next prime is 10101010312229. The reversal of 10101010312221 is 12221301010101.

10101010312221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10101010312221 - 2¹ = 10101010312219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10101010312221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101010312229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85672195 + ... + 85790016.

It is an arithmetic number, because the mean of its divisors is an integer number (856453748940).

Almost surely, 2^{10101010312221} is an apocalyptic number.

It is an amenable number.

10101010312221 is a deficient number, since it is larger than the sum of its proper divisors (3602249670819).

10101010312221 is a wasteful number, since it uses less digits than its factorization.

10101010312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171462556.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 10101010312221 its reverse (12221301010101), we get a palindrome (22322311322322).

The spelling of 10101010312221 in words is "ten trillion, one hundred one billion, ten million, three hundred twelve thousand, two hundred twenty-one".