122100210011 has 4 divisors (see below), whose sum is σ = 131492533872. Its totient is φ = 112707886152.

The previous prime is 122100209993. The next prime is 122100210013. The reversal of 122100210011 is 110012001221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110012001221 = 27541 ⋅3994481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122100210011 is a prime.

It is a super-3 number, since 3×122100210011³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100209974 and 122100210001.

It is not an unprimeable number, because it can be changed into a prime (122100210013) 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, 4696161911 + ... + 4696161936.

It is an arithmetic number, because the mean of its divisors is an integer number (32873133468).

Almost surely, 2^122100210011 is an apocalyptic number.

122100210011 is a deficient number, since it is larger than the sum of its proper divisors (9392323861).

122100210011 is an equidigital number, since it uses as much as digits as its factorization.

122100210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392323860.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122100210011 its reverse (110012001221), we get a palindrome (232112211232).

The spelling of 122100210011 in words is "one hundred twenty-two billion, one hundred million, two hundred ten thousand, eleven".