220222210101121 has 4 divisors (see below), whose sum is σ = 221903295674544. Its totient is φ = 218541124527700.

The previous prime is 220222210101073. The next prime is 220222210101161. The reversal of 220222210101121 is 121101012222022.

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 a cyclic number.

It is not a de Polignac number, because 220222210101121 - 2²¹ = 220222208003969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220222210101161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840542786515 + ... + 840542786776.

It is an arithmetic number, because the mean of its divisors is an integer number (55475823918636).

Almost surely, 2^{220222210101121} is an apocalyptic number.

It is an amenable number.

220222210101121 is a deficient number, since it is larger than the sum of its proper divisors (1681085573423).

220222210101121 is a wasteful number, since it uses less digits than its factorization.

220222210101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681085573422.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220222210101121 its reverse (121101012222022), we get a palindrome (341323222323143).

The spelling of 220222210101121 in words is "two hundred twenty trillion, two hundred twenty-two billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".