10202241220091 has 2 divisors, whose sum is σ = 10202241220092. Its totient is φ = 10202241220090.

The previous prime is 10202241220051. The next prime is 10202241220121. The reversal of 10202241220091 is 19002214220201.

It is a strong prime.

It is an emirp because it is prime and its reverse (19002214220201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202241220091 - 2³⁴ = 10185061350907 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10202241220091.

It is not a weakly prime, because it can be changed into another prime (10202241220001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101120610045 + 5101120610046.

It is an arithmetic number, because the mean of its divisors is an integer number (5101120610046).

Almost surely, 2^{10202241220091} is an apocalyptic number.

10202241220091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202241220091 is an equidigital number, since it uses as much as digits as its factorization.

10202241220091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 10202241220091 its reverse (19002214220201), we get a palindrome (29204455440292).

The spelling of 10202241220091 in words is "ten trillion, two hundred two billion, two hundred forty-one million, two hundred twenty thousand, ninety-one".