10021211111099 has 16 divisors (see below), whose sum is σ = 10375374931200. Its totient is φ = 9667623972384.

The previous prime is 10021211111089. The next prime is 10021211111111. The reversal of 10021211111099 is 99011111212001.

It is a cyclic number.

It is not a de Polignac number, because 10021211111099 - 2¹² = 10021211107003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021211111029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207630632 + ... + 207678890.

It is an arithmetic number, because the mean of its divisors is an integer number (648460933200).

Almost surely, 2^{10021211111099} is an apocalyptic number.

10021211111099 is a deficient number, since it is larger than the sum of its proper divisors (354163820101).

10021211111099 is a wasteful number, since it uses less digits than its factorization.

10021211111099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54082.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 10021211111099 in words is "ten trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, ninety-nine".