220050121 has 4 divisors (see below), whose sum is σ = 227148544. Its totient is φ = 212951700.

The previous prime is 220050107. The next prime is 220050143. The reversal of 220050121 is 121050022.

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 220050121 - 2¹⁵ = 220017353 is a prime.

It is a super-2 number, since 2×220050121² = 96844111504229282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220050161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3549165 + ... + 3549226.

It is an arithmetic number, because the mean of its divisors is an integer number (56787136).

Almost surely, 2^220050121 is an apocalyptic number.

It is an amenable number.

220050121 is a deficient number, since it is larger than the sum of its proper divisors (7098423).

220050121 is an equidigital number, since it uses as much as digits as its factorization.

220050121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098422.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 220050121 is about 14834.0864565365. The cubic root of 220050121 is about 603.7269142883.

Subtracting from 220050121 its reverse (121050022), we obtain a palindrome (99000099).

The spelling of 220050121 in words is "two hundred twenty million, fifty thousand, one hundred twenty-one".