220122122221101 has 8 divisors (see below), whose sum is σ = 310760643135744. Its totient is φ = 138115841393600.

The previous prime is 220122122221049. The next prime is 220122122221151. The reversal of 220122122221101 is 101122221221022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220122122221101 is a prime.

It is a super-2 number, since 2×220122122221101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122122221151) 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, 2158060021725 + ... + 2158060021826.

It is an arithmetic number, because the mean of its divisors is an integer number (38845080391968).

Almost surely, 2^{220122122221101} is an apocalyptic number.

It is an amenable number.

220122122221101 is a deficient number, since it is larger than the sum of its proper divisors (90638520914643).

220122122221101 is a wasteful number, since it uses less digits than its factorization.

220122122221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316120043571.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220122122221101 its reverse (101122221221022), we get a palindrome (321244343442123).

The spelling of 220122122221101 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred one".