2303122220221 has 8 divisors (see below), whose sum is σ = 2425594701600. Its totient is φ = 2180775291120.

The previous prime is 2303122220143. The next prime is 2303122220227. The reversal of 2303122220221 is 1220222213032.

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 2303122220221 - 2²¹ = 2303120123069 is a prime.

It is a super-2 number, since 2×2303122220221² (a number of 26 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 = 2303122220192 and 2303122220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303122220227) 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, 31350406 + ... + 31423783.

It is an arithmetic number, because the mean of its divisors is an integer number (303199337700).

Almost surely, 2^{2303122220221} is an apocalyptic number.

It is an amenable number.

2303122220221 is a deficient number, since it is larger than the sum of its proper divisors (122472481379).

2303122220221 is a wasteful number, since it uses less digits than its factorization.

2303122220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62776139.

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

Adding to 2303122220221 its reverse (1220222213032), we get a palindrome (3523344433253).

The spelling of 2303122220221 in words is "two trillion, three hundred three billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-one".