10111221099963 has 80 divisors (see below), whose sum is σ = 16260915939840. Its totient is φ = 6241213944000.

The previous prime is 10111221099961. The next prime is 10111221099977. The reversal of 10111221099963 is 36999012211101.

It is a happy number.

It is not a de Polignac number, because 10111221099963 - 2¹ = 10111221099961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111221099961) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50605728 + ... + 50805138.

It is an arithmetic number, because the mean of its divisors is an integer number (203261449248).

Almost surely, 2^{10111221099963} is an apocalyptic number.

10111221099963 is a deficient number, since it is larger than the sum of its proper divisors (6149694839877).

10111221099963 is a wasteful number, since it uses less digits than its factorization.

10111221099963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200190 (or 200181 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 10111221099963 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, ninety-nine thousand, nine hundred sixty-three".