220121342033 has 4 divisors (see below), whose sum is σ = 220333201920. Its totient is φ = 219909482148.

The previous prime is 220121342027. The next prime is 220121342039. The reversal of 220121342033 is 330243121022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (220121342027) and next prime (220121342039).

It is a cyclic number.

It is not a de Polignac number, because 220121342033 - 2⁸ = 220121341777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220121342039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105928385 + ... + 105930462.

It is an arithmetic number, because the mean of its divisors is an integer number (55083300480).

Almost surely, 2^220121342033 is an apocalyptic number.

It is an amenable number.

220121342033 is a deficient number, since it is larger than the sum of its proper divisors (211859887).

220121342033 is a wasteful number, since it uses less digits than its factorization.

220121342033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211859886.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 220121342033 its reverse (330243121022), we get a palindrome (550364463055).

The spelling of 220121342033 in words is "two hundred twenty billion, one hundred twenty-one million, three hundred forty-two thousand, thirty-three".