122011323101 has 6 divisors (see below), whose sum is σ = 129610644570. Its totient is φ = 114834186176.

The previous prime is 122011323097. The next prime is 122011323113. The reversal of 122011323101 is 101323110221.

It can be written as a sum of positive squares in 3 ways, for example, as 47277979225 + 74733343876 = 217435^2 + 273374^2 .

It is not a de Polignac number, because 122011323101 - 2² = 122011323097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122011323101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011323121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211091966 + ... + 211092543.

It is an arithmetic number, because the mean of its divisors is an integer number (21601774095).

Almost surely, 2^122011323101 is an apocalyptic number.

It is an amenable number.

122011323101 is a deficient number, since it is larger than the sum of its proper divisors (7599321469).

122011323101 is an equidigital number, since it uses as much as digits as its factorization.

122011323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422184543 (or 422184526 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122011323101 its reverse (101323110221), we get a palindrome (223334433322).

The spelling of 122011323101 in words is "one hundred twenty-two billion, eleven million, three hundred twenty-three thousand, one hundred one".