220121010201 has 8 divisors (see below), whose sum is σ = 293502305344. Its totient is φ = 146743527600.

The previous prime is 220121010199. The next prime is 220121010209. The reversal of 220121010201 is 102010121022.

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

It is not a de Polignac number, because 220121010201 - 2¹ = 220121010199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220121010209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815581 + ... + 1051386.

It is an arithmetic number, because the mean of its divisors is an integer number (36687788168).

Almost surely, 2^220121010201 is an apocalyptic number.

It is an amenable number.

220121010201 is a deficient number, since it is larger than the sum of its proper divisors (73381295143).

220121010201 is a wasteful number, since it uses less digits than its factorization.

220121010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906271.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220121010201 its reverse (102010121022), we get a palindrome (322131131223).

The spelling of 220121010201 in words is "two hundred twenty billion, one hundred twenty-one million, ten thousand, two hundred one".