100221122209511 has 2 divisors, whose sum is σ = 100221122209512. Its totient is φ = 100221122209510.

The previous prime is 100221122209493. The next prime is 100221122209531. The reversal of 100221122209511 is 115902221122001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100221122209511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100221122209531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110561104755 + 50110561104756.

It is an arithmetic number, because the mean of its divisors is an integer number (50110561104756).

Almost surely, 2^{100221122209511} is an apocalyptic number.

100221122209511 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221122209511 is an equidigital number, since it uses as much as digits as its factorization.

100221122209511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 100221122209511 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred nine thousand, five hundred eleven".