122110001011 has 4 divisors (see below), whose sum is σ = 123319011024. Its totient is φ = 120900991000.

The previous prime is 122110001009. The next prime is 122110001023. The reversal of 122110001011 is 110100011221.

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

It is a cyclic number.

It is not a de Polignac number, because 122110001011 - 2¹ = 122110001009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122110001411) 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, 604504855 + ... + 604505056.

It is an arithmetic number, because the mean of its divisors is an integer number (30829752756).

Almost surely, 2^122110001011 is an apocalyptic number.

122110001011 is a deficient number, since it is larger than the sum of its proper divisors (1209010013).

122110001011 is a wasteful number, since it uses less digits than its factorization.

122110001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209010012.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 122110001011 its reverse (110100011221), we get a palindrome (232210012232).

The spelling of 122110001011 in words is "one hundred twenty-two billion, one hundred ten million, one thousand, eleven".