10331023111221 has 16 divisors (see below), whose sum is σ = 14254596005760. Its totient is φ = 6647563110720.

The previous prime is 10331023111193. The next prime is 10331023111243. The reversal of 10331023111221 is 12211132013301.

10331023111221 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 10331023111221 - 2²⁶ = 10330956002357 is a prime.

It is a super-2 number, since 2×10331023111221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331023111021) 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, 20199970 + ... + 20705091.

It is an arithmetic number, because the mean of its divisors is an integer number (890912250360).

Almost surely, 2^{10331023111221} is an apocalyptic number.

It is an amenable number.

10331023111221 is a deficient number, since it is larger than the sum of its proper divisors (3923572894539).

10331023111221 is a wasteful number, since it uses less digits than its factorization.

10331023111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40907996.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10331023111221 its reverse (12211132013301), we get a palindrome (22542155124522).

The spelling of 10331023111221 in words is "ten trillion, three hundred thirty-one billion, twenty-three million, one hundred eleven thousand, two hundred twenty-one".