221001013321099 has 16 divisors (see below), whose sum is σ = 252201643421184. Its totient is φ = 191695555216000.

The previous prime is 221001013321087. The next prime is 221001013321111. The reversal of 221001013321099 is 990123310100122.

It is an interprime number because it is at equal distance from previous prime (221001013321087) and next prime (221001013321111).

It is not a de Polignac number, because 221001013321099 - 2¹³ = 221001013312907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221001013321079) 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, 1089077839 + ... + 1089280744.

It is an arithmetic number, because the mean of its divisors is an integer number (15762602713824).

Almost surely, 2^{221001013321099} is an apocalyptic number.

221001013321099 is a deficient number, since it is larger than the sum of its proper divisors (31200630100085).

221001013321099 is a wasteful number, since it uses less digits than its factorization.

221001013321099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178359018.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 221001013321099 in words is "two hundred twenty-one trillion, one billion, thirteen million, three hundred twenty-one thousand, ninety-nine".