10105221145 has 8 divisors (see below), whose sum is σ = 12454002504. Its totient is φ = 7865685504.

The previous prime is 10105221109. The next prime is 10105221157. The reversal of 10105221145 is 54112250101.

It can be written as a sum of positive squares in 4 ways, for example, as 454712976 + 9650508169 = 21324^2 + 98237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10105221145 - 2²⁷ = 9971003417 is a prime.

It is a super-2 number, since 2×10105221145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27311224 + ... + 27311593.

It is an arithmetic number, because the mean of its divisors is an integer number (1556750313).

Almost surely, 2^10105221145 is an apocalyptic number.

It is an amenable number.

10105221145 is a deficient number, since it is larger than the sum of its proper divisors (2348781359).

10105221145 is an equidigital number, since it uses as much as digits as its factorization.

10105221145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54622859.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 10105221145 its reverse (54112250101), we get a palindrome (64217471246).

The spelling of 10105221145 in words is "ten billion, one hundred five million, two hundred twenty-one thousand, one hundred forty-five".