10221321101331 has 16 divisors (see below), whose sum is σ = 13814834477184. Its totient is φ = 6721557543744.

The previous prime is 10221321101317. The next prime is 10221321101353. The reversal of 10221321101331 is 13310112312201.

It is not a de Polignac number, because 10221321101331 - 2⁷ = 10221321101203 is a prime.

It is a super-2 number, since 2×10221321101331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221321101298 and 10221321101307.

It is not an unprimeable number, because it can be changed into a prime (10221321101231) 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, 68255941 + ... + 68405526.

It is an arithmetic number, because the mean of its divisors is an integer number (863427154824).

Almost surely, 2^{10221321101331} is an apocalyptic number.

10221321101331 is a deficient number, since it is larger than the sum of its proper divisors (3593513375853).

10221321101331 is a wasteful number, since it uses less digits than its factorization.

10221321101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136661810.

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

Adding to 10221321101331 its reverse (13310112312201), we get a palindrome (23531433413532).

The spelling of 10221321101331 in words is "ten trillion, two hundred twenty-one billion, three hundred twenty-one million, one hundred one thousand, three hundred thirty-one".