10221211021099 has 32 divisors (see below), whose sum is σ = 11255183622144. Its totient is φ = 9223119511680.

The previous prime is 10221211021093. The next prime is 10221211021127. The reversal of 10221211021099 is 99012011212201.

It is a cyclic number.

It is not a de Polignac number, because 10221211021099 - 2²⁵ = 10221177466667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221211021099.

It is not an unprimeable number, because it can be changed into a prime (10221211021093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2893066737 + ... + 2893070269.

It is an arithmetic number, because the mean of its divisors is an integer number (351724488192).

Almost surely, 2^{10221211021099} is an apocalyptic number.

10221211021099 is a deficient number, since it is larger than the sum of its proper divisors (1033972601045).

10221211021099 is a wasteful number, since it uses less digits than its factorization.

10221211021099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 10221211021099 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, twenty-one thousand, ninety-nine".