220121120300121 has 24 divisors (see below), whose sum is σ = 334687798979040. Its totient is φ = 139023568252800.

The previous prime is 220121120300117. The next prime is 220121120300161. The reversal of 220121120300121 is 121003021121022.

220121120300121 is a `hidden beast` number, since 2 + 2 + 0 + 121 + 120 + 300 + 121 = 666.

220121120300121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220121120300121 - 2² = 220121120300117 is a prime.

It is a super-2 number, since 2×220121120300121² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220121120300094 and 220121120300103.

It is not an unprimeable number, because it can be changed into a prime (220121120300161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101098926 + ... + 103253256.

It is an arithmetic number, because the mean of its divisors is an integer number (13945324957460).

Almost surely, 2^{220121120300121} is an apocalyptic number.

It is an amenable number.

220121120300121 is a deficient number, since it is larger than the sum of its proper divisors (114566678678919).

220121120300121 is a wasteful number, since it uses less digits than its factorization.

220121120300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751877 (or 2751874 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 220121120300121 its reverse (121003021121022), we get a palindrome (341124141421143).

The spelling of 220121120300121 in words is "two hundred twenty trillion, one hundred twenty-one billion, one hundred twenty million, three hundred thousand, one hundred twenty-one".