220032121002 has 32 divisors (see below), whose sum is σ = 440511174144. Its totient is φ = 73269596400.

The previous prime is 220032120991. The next prime is 220032121003. The reversal of 220032121002 is 200121230022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220032121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36626283 + ... + 36632289.

It is an arithmetic number, because the mean of its divisors is an integer number (13765974192).

Almost surely, 2^220032121002 is an apocalyptic number.

220032121002 is an abundant number, since it is smaller than the sum of its proper divisors (220479053142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220032121002 is a wasteful number, since it uses less digits than its factorization.

220032121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220032121002 its reverse (200121230022), we get a palindrome (420153351024).

The spelling of 220032121002 in words is "two hundred twenty billion, thirty-two million, one hundred twenty-one thousand, two".