10132220621 has 2 divisors, whose sum is σ = 10132220622. Its totient is φ = 10132220620.

The previous prime is 10132220599. The next prime is 10132220647. The reversal of 10132220621 is 12602223101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9942084100 + 190136521 = 99710^2 + 13789^2 .

It is a cyclic number.

It is not a de Polignac number, because 10132220621 - 2⁶ = 10132220557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10132220593 and 10132220602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10132220671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066110310 + 5066110311.

It is an arithmetic number, because the mean of its divisors is an integer number (5066110311).

Almost surely, 2^10132220621 is an apocalyptic number.

It is an amenable number.

10132220621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10132220621 is an equidigital number, since it uses as much as digits as its factorization.

10132220621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10132220621 its reverse (12602223101), we get a palindrome (22734443722).

The spelling of 10132220621 in words is "ten billion, one hundred thirty-two million, two hundred twenty thousand, six hundred twenty-one".