10221013331 has 2 divisors, whose sum is σ = 10221013332. Its totient is φ = 10221013330.

The previous prime is 10221013303. The next prime is 10221013381. The reversal of 10221013331 is 13331012201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221013331 - 2²² = 10216819027 is a prime.

It is a super-2 number, since 2×10221013331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10221013381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110506665 + 5110506666.

It is an arithmetic number, because the mean of its divisors is an integer number (5110506666).

Almost surely, 2^10221013331 is an apocalyptic number.

10221013331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221013331 is an equidigital number, since it uses as much as digits as its factorization.

10221013331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10221013331 its reverse (13331012201), we get a palindrome (23552025532).

The spelling of 10221013331 in words is "ten billion, two hundred twenty-one million, thirteen thousand, three hundred thirty-one".