220213100121 has 32 divisors (see below), whose sum is σ = 346449100800. Its totient is φ = 121755147840.

The previous prime is 220213100101. The next prime is 220213100221. The reversal of 220213100121 is 121001312022.

It is not a de Polignac number, because 220213100121 - 2⁷ = 220213099993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220213100121.

It is not an unprimeable number, because it can be changed into a prime (220213100101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4054140 + ... + 4108098.

It is an arithmetic number, because the mean of its divisors is an integer number (10826534400).

Almost surely, 2^220213100121 is an apocalyptic number.

220213100121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220213100121 is a deficient number, since it is larger than the sum of its proper divisors (126236000679).

220213100121 is a wasteful number, since it uses less digits than its factorization.

220213100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60269.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 220213100121 its reverse (121001312022), we get a palindrome (341214412143).

The spelling of 220213100121 in words is "two hundred twenty billion, two hundred thirteen million, one hundred thousand, one hundred twenty-one".