220200220121 has 16 divisors (see below), whose sum is σ = 255231221760. Its totient is φ = 186063287760.

The previous prime is 220200220103. The next prime is 220200220133. The reversal of 220200220121 is 121022002022.

It is not a de Polignac number, because 220200220121 - 2²⁶ = 220133111257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220200220096 and 220200220105.

It is not an unprimeable number, because it can be changed into a prime (220200220621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5506220 + ... + 5546066.

It is an arithmetic number, because the mean of its divisors is an integer number (15951951360).

Almost surely, 2^220200220121 is an apocalyptic number.

It is an amenable number.

220200220121 is a deficient number, since it is larger than the sum of its proper divisors (35031001639).

220200220121 is a wasteful number, since it uses less digits than its factorization.

220200220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51044.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220200220121 its reverse (121022002022), we get a palindrome (341222222143).

The spelling of 220200220121 in words is "two hundred twenty billion, two hundred million, two hundred twenty thousand, one hundred twenty-one".