10221020311 has 2 divisors, whose sum is σ = 10221020312. Its totient is φ = 10221020310.

The previous prime is 10221020263. The next prime is 10221020353. The reversal of 10221020311 is 11302012201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221020311 - 2²³ = 10212631703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221020291 and 10221020300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221026311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110510155 + 5110510156.

It is an arithmetic number, because the mean of its divisors is an integer number (5110510156).

Almost surely, 2^10221020311 is an apocalyptic number.

10221020311 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221020311 is an equidigital number, since it uses as much as digits as its factorization.

10221020311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10221020311 its reverse (11302012201), we get a palindrome (21523032512).

The spelling of 10221020311 in words is "ten billion, two hundred twenty-one million, twenty thousand, three hundred eleven".