220223322121 has 8 divisors (see below), whose sum is σ = 240247076544. Its totient is φ = 200200143120.

The previous prime is 220223322091. The next prime is 220223322149. The reversal of 220223322121 is 121223322022.

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 220223322121 - 2⁹ = 220223321609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220223322092 and 220223322101.

It is not an unprimeable number, because it can be changed into a prime (220223382121) 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, 1212196 + ... + 1381978.

It is an arithmetic number, because the mean of its divisors is an integer number (30030884568).

Almost surely, 2^220223322121 is an apocalyptic number.

It is an amenable number.

220223322121 is a deficient number, since it is larger than the sum of its proper divisors (20023754423).

220223322121 is a wasteful number, since it uses less digits than its factorization.

220223322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287711.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220223322121 its reverse (121223322022), we get a palindrome (341446644143).

Subtracting from 220223322121 its reverse (121223322022), we obtain a palindrome (99000000099).

The spelling of 220223322121 in words is "two hundred twenty billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-one".