220210121121 has 8 divisors (see below), whose sum is σ = 295854819744. Its totient is φ = 145686084960.

The previous prime is 220210121107. The next prime is 220210121251. The reversal of 220210121121 is 121121012022.

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

It is not a de Polignac number, because 220210121121 - 2⁹ = 220210120609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220210121121.

It is not an unprimeable number, because it can be changed into a prime (220210121321) 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, 280165156 + ... + 280165941.

It is an arithmetic number, because the mean of its divisors is an integer number (36981852468).

Almost surely, 2^220210121121 is an apocalyptic number.

It is an amenable number.

220210121121 is a deficient number, since it is larger than the sum of its proper divisors (75644698623).

220210121121 is a wasteful number, since it uses less digits than its factorization.

220210121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560331231.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220210121121 its reverse (121121012022), we get a palindrome (341331133143).

It can be divided in two parts, 2202101 and 21121, that added together give a palindrome (2223222).

The spelling of 220210121121 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".