220122122201101 has 4 divisors (see below), whose sum is σ = 220124989160604. Its totient is φ = 220119255241600.

The previous prime is 220122122201063. The next prime is 220122122201119. The reversal of 220122122201101 is 101102221221022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 199973254616100 + 20148867585001 = 14141190^2 + 4488749^2 .

It is a cyclic number.

It is not a de Polignac number, because 220122122201101 - 2¹¹ = 220122122199053 is a prime.

It is a super-2 number, since 2×220122122201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122122201131) 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, 1433364580 + ... + 1433518141.

It is an arithmetic number, because the mean of its divisors is an integer number (55031247290151).

Almost surely, 2^{220122122201101} is an apocalyptic number.

It is an amenable number.

220122122201101 is a deficient number, since it is larger than the sum of its proper divisors (2866959503).

220122122201101 is an equidigital number, since it uses as much as digits as its factorization.

220122122201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866959502.

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

Adding to 220122122201101 its reverse (101102221221022), we get a palindrome (321224343422123).

The spelling of 220122122201101 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred one thousand, one hundred one".