101221022093 has 2 divisors, whose sum is σ = 101221022094. Its totient is φ = 101221022092.

The previous prime is 101221022083. The next prime is 101221022173. The reversal of 101221022093 is 390220122101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81559934569 + 19661087524 = 285587^2 + 140218^2 .

It is a cyclic number.

It is not a de Polignac number, because 101221022093 - 2²⁴ = 101204244877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221022033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610511046 + 50610511047.

It is an arithmetic number, because the mean of its divisors is an integer number (50610511047).

Almost surely, 2^101221022093 is an apocalyptic number.

It is an amenable number.

101221022093 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221022093 is an equidigital number, since it uses as much as digits as its factorization.

101221022093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 101221022093 its reverse (390220122101), we get a palindrome (491441144194).

The spelling of 101221022093 in words is "one hundred one billion, two hundred twenty-one million, twenty-two thousand, ninety-three".