122101010011 has 4 divisors (see below), whose sum is σ = 122101732624. Its totient is φ = 122100287400.

The previous prime is 122101009951. The next prime is 122101010027. The reversal of 122101010011 is 110010101221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122101010011 is a prime.

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 122101010011.

It is not an unprimeable number, because it can be changed into a prime (122101010611) 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, 42841 + ... + 496021.

It is an arithmetic number, because the mean of its divisors is an integer number (30525433156).

Almost surely, 2^122101010011 is an apocalyptic number.

122101010011 is a deficient number, since it is larger than the sum of its proper divisors (722613).

122101010011 is an equidigital number, since it uses as much as digits as its factorization.

122101010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722612.

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

Adding to 122101010011 its reverse (110010101221), we get a palindrome (232111111232).

The spelling of 122101010011 in words is "one hundred twenty-two billion, one hundred one million, ten thousand, eleven".