220122211121101 has 4 divisors (see below), whose sum is σ = 220132342417792. Its totient is φ = 220112079824412.

The previous prime is 220122211121077. The next prime is 220122211121123. The reversal of 220122211121101 is 101121112221022.

It is a happy number.

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 220122211121101 - 2²³ = 220122202732493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122211121171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065615755 + ... + 5065659208.

It is an arithmetic number, because the mean of its divisors is an integer number (55033085604448).

Almost surely, 2^{220122211121101} is an apocalyptic number.

It is an amenable number.

220122211121101 is a deficient number, since it is larger than the sum of its proper divisors (10131296691).

220122211121101 is a wasteful number, since it uses less digits than its factorization.

220122211121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131296690.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220122211121101 its reverse (101121112221022), we get a palindrome (321243323342123).

The spelling of 220122211121101 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred one".