221330030323101 has 24 divisors (see below), whose sum is σ = 343288222546464. Its totient is φ = 126473997777120.

The previous prime is 221330030323093. The next prime is 221330030323153. The reversal of 221330030323101 is 101323030033122.

It is not a de Polignac number, because 221330030323101 - 2³ = 221330030323093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221330030313101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68524371 + ... + 71681583.

It is an arithmetic number, because the mean of its divisors is an integer number (14303675939436).

Almost surely, 2^{221330030323101} is an apocalyptic number.

221330030323101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221330030323101 is a deficient number, since it is larger than the sum of its proper divisors (121958192223363).

221330030323101 is a wasteful number, since it uses less digits than its factorization.

221330030323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634121 (or 3634114 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 221330030323101 its reverse (101323030033122), we get a palindrome (322653060356223).

The spelling of 221330030323101 in words is "two hundred twenty-one trillion, three hundred thirty billion, thirty million, three hundred twenty-three thousand, one hundred one".