220111200122101 has 4 divisors (see below), whose sum is σ = 221791438291104. Its totient is φ = 218430961953100.

The previous prime is 220111200122053. The next prime is 220111200122119. The reversal of 220111200122101 is 101221002111022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220111200122101 - 2²⁹ = 220110663251189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111200122701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840119084305 + ... + 840119084566.

It is an arithmetic number, because the mean of its divisors is an integer number (55447859572776).

Almost surely, 2^{220111200122101} is an apocalyptic number.

It is an amenable number.

220111200122101 is a deficient number, since it is larger than the sum of its proper divisors (1680238169003).

220111200122101 is a wasteful number, since it uses less digits than its factorization.

220111200122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680238169002.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220111200122101 its reverse (101221002111022), we get a palindrome (321332202233123).

The spelling of 220111200122101 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred million, one hundred twenty-two thousand, one hundred one".