101120112221 has 2 divisors, whose sum is σ = 101120112222. Its totient is φ = 101120112220.

The previous prime is 101120112157. The next prime is 101120112263. The reversal of 101120112221 is 122211021101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99600204025 + 1519908196 = 315595^2 + 38986^2 .

It is a cyclic number.

It is not a de Polignac number, because 101120112221 - 2⁶ = 101120112157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101120112196 and 101120112205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101120112721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560056110 + 50560056111.

It is an arithmetic number, because the mean of its divisors is an integer number (50560056111).

Almost surely, 2^101120112221 is an apocalyptic number.

It is an amenable number.

101120112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120112221 is an equidigital number, since it uses as much as digits as its factorization.

101120112221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101120112221 its reverse (122211021101), we get a palindrome (223331133322).

The spelling of 101120112221 in words is "one hundred one billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-one".