220102200121 has 8 divisors (see below), whose sum is σ = 222896805120. Its totient is φ = 217307807808.

The previous prime is 220102200091. The next prime is 220102200127. The reversal of 220102200121 is 121002201022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220102200121 - 2²³ = 220093811513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220102200127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3687900 + ... + 3747106.

It is an arithmetic number, because the mean of its divisors is an integer number (27862100640).

Almost surely, 2^220102200121 is an apocalyptic number.

It is an amenable number.

220102200121 is a deficient number, since it is larger than the sum of its proper divisors (2794604999).

220102200121 is an equidigital number, since it uses as much as digits as its factorization.

220102200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106343.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220102200121 its reverse (121002201022), we get a palindrome (341104401143).

Subtracting from 220102200121 its reverse (121002201022), we obtain a palindrome (99099999099).

The spelling of 220102200121 in words is "two hundred twenty billion, one hundred two million, two hundred thousand, one hundred twenty-one".