10212111099 has 16 divisors (see below), whose sum is σ = 15193994400. Its totient is φ = 6778850688.

The previous prime is 10212111083. The next prime is 10212111103. The reversal of 10212111099 is 99011121201.

10212111099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10212111099 - 2⁴ = 10212111083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10212111499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805354 + ... + 817935.

It is an arithmetic number, because the mean of its divisors is an integer number (949624650).

Almost surely, 2^10212111099 is an apocalyptic number.

10212111099 is a deficient number, since it is larger than the sum of its proper divisors (4981883301).

10212111099 is a wasteful number, since it uses less digits than its factorization.

10212111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623531 (or 1623525 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 10212111099 in words is "ten billion, two hundred twelve million, one hundred eleven thousand, ninety-nine".