220002101121 has 64 divisors (see below), whose sum is σ = 343167943680. Its totient is φ = 124084719360.

The previous prime is 220002101093. The next prime is 220002101141. The reversal of 220002101121 is 121101200022.

It is not a de Polignac number, because 220002101121 - 2⁹ = 220002100609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220002101097 and 220002101106.

It is not an unprimeable number, because it can be changed into a prime (220002101141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3759730 + ... + 3817796.

It is an arithmetic number, because the mean of its divisors is an integer number (5361999120).

Almost surely, 2^220002101121 is an apocalyptic number.

It is an amenable number.

220002101121 is a deficient number, since it is larger than the sum of its proper divisors (123165842559).

220002101121 is a wasteful number, since it uses less digits than its factorization.

220002101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58254.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220002101121 its reverse (121101200022), we get a palindrome (341103301143).

It can be divided in two parts, 220002 and 101121, that added together give a palindrome (321123).

The spelling of 220002101121 in words is "two hundred twenty billion, two million, one hundred one thousand, one hundred twenty-one".