10021221022099 has 16 divisors (see below), whose sum is σ = 11509659903168. Its totient is φ = 8547062464512.

The previous prime is 10021221022079. The next prime is 10021221022103. The reversal of 10021221022099 is 99022012212001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021221022099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021221022099.

It is not an unprimeable number, because it can be changed into a prime (10021221022039) 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, 1286824 + ... + 4658149.

It is an arithmetic number, because the mean of its divisors is an integer number (719353743948).

Almost surely, 2^{10021221022099} is an apocalyptic number.

10021221022099 is a deficient number, since it is larger than the sum of its proper divisors (1488438881069).

10021221022099 is an equidigital number, since it uses as much as digits as its factorization.

10021221022099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946174.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 10021221022099 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, twenty-two thousand, ninety-nine".