10111010024221 has 2 divisors, whose sum is σ = 10111010024222. Its totient is φ = 10111010024220.

The previous prime is 10111010024191. The next prime is 10111010024249. The reversal of 10111010024221 is 12242001011101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8607593176900 + 1503416847321 = 2933870^2 + 1226139^2 .

It is an emirp because it is prime and its reverse (12242001011101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111010024221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10111010024195 and 10111010024204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111010028221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055505012110 + 5055505012111.

It is an arithmetic number, because the mean of its divisors is an integer number (5055505012111).

Almost surely, 2^{10111010024221} is an apocalyptic number.

It is an amenable number.

10111010024221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111010024221 is an equidigital number, since it uses as much as digits as its factorization.

10111010024221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111010024221 its reverse (12242001011101), we get a palindrome (22353011035322).

The spelling of 10111010024221 in words is "ten trillion, one hundred eleven billion, ten million, twenty-four thousand, two hundred twenty-one".