220011332121 has 48 divisors (see below), whose sum is σ = 369429540480. Its totient is φ = 123579993600.

The previous prime is 220011332119. The next prime is 220011332141. The reversal of 220011332121 is 121233110022.

220011332121 is a `hidden beast` number, since 2 + 200 + 11 + 332 + 121 = 666.

It is not a de Polignac number, because 220011332121 - 2¹ = 220011332119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220011332094 and 220011332103.

It is not an unprimeable number, because it can be changed into a prime (220011332141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 760081 + ... + 1008833.

It is an arithmetic number, because the mean of its divisors is an integer number (7696448760).

Almost surely, 2^220011332121 is an apocalyptic number.

220011332121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220011332121 is a deficient number, since it is larger than the sum of its proper divisors (149418208359).

220011332121 is a wasteful number, since it uses less digits than its factorization.

220011332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249006 (or 249003 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 220011332121 its reverse (121233110022), we get a palindrome (341244442143).

The spelling of 220011332121 in words is "two hundred twenty billion, eleven million, three hundred thirty-two thousand, one hundred twenty-one".