220100201020121 has 8 divisors (see below), whose sum is σ = 220765964325504. Its totient is φ = 219434442582960.

The previous prime is 220100201020033. The next prime is 220100201020187. The reversal of 220100201020121 is 121020102001022.

220100201020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220100201020121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220100201020096 and 220100201020105.

It is not an unprimeable number, because it can be changed into a prime (220100201070121) 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, 102753776 + ... + 104873918.

It is an arithmetic number, because the mean of its divisors is an integer number (27595745540688).

Almost surely, 2^{220100201020121} is an apocalyptic number.

It is an amenable number.

220100201020121 is a deficient number, since it is larger than the sum of its proper divisors (665763305383).

220100201020121 is a wasteful number, since it uses less digits than its factorization.

220100201020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434111.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220100201020121 its reverse (121020102001022), we get a palindrome (341120303021143).

The spelling of 220100201020121 in words is "two hundred twenty trillion, one hundred billion, two hundred one million, twenty thousand, one hundred twenty-one".