10645463221099 has 24 divisors (see below), whose sum is σ = 12415051243008. Its totient is φ = 9101442687120.

The previous prime is 10645463221073. The next prime is 10645463221109. The reversal of 10645463221099 is 99012236454601.

It is a happy number.

It is not a de Polignac number, because 10645463221099 - 2²³ = 10645454832491 is a prime.

It is a super-2 number, since 2×10645463221099² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645463221009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96733384 + ... + 96843370.

It is an arithmetic number, because the mean of its divisors is an integer number (517293801792).

Almost surely, 2^{10645463221099} is an apocalyptic number.

10645463221099 is a deficient number, since it is larger than the sum of its proper divisors (1769588021909).

10645463221099 is a wasteful number, since it uses less digits than its factorization.

10645463221099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115015 (or 115008 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 10645463221099 in words is "ten trillion, six hundred forty-five billion, four hundred sixty-three million, two hundred twenty-one thousand, ninety-nine".