220002202020121 has 8 divisors (see below), whose sum is σ = 221683719701664. Its totient is φ = 218320716332160.

The previous prime is 220002202020023. The next prime is 220002202020187. The reversal of 220002202020121 is 121020202200022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220002202020121 - 2¹¹ = 220002202018073 is a prime.

It is a super-2 number, since 2×220002202020121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220002202020095 and 220002202020104.

It is not an unprimeable number, because it can be changed into a prime (220002202020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5898985 + ... + 21789961.

It is an arithmetic number, because the mean of its divisors is an integer number (27710464962708).

Almost surely, 2^{220002202020121} is an apocalyptic number.

It is an amenable number.

220002202020121 is a deficient number, since it is larger than the sum of its proper divisors (1681517681543).

220002202020121 is a wasteful number, since it uses less digits than its factorization.

220002202020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15996791.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220002202020121 its reverse (121020202200022), we get a palindrome (341022404220143).

The spelling of 220002202020121 in words is "two hundred twenty trillion, two billion, two hundred two million, twenty thousand, one hundred twenty-one".