122311110021 has 16 divisors (see below), whose sum is σ = 168659558400. Its totient is φ = 78795623088.

The previous prime is 122311109969. The next prime is 122311110067. The reversal of 122311110021 is 120011113221.

It is not a de Polignac number, because 122311110021 - 2¹¹ = 122311107973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311115021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5479081 + ... + 5501358.

It is an arithmetic number, because the mean of its divisors is an integer number (10541222400).

Almost surely, 2^122311110021 is an apocalyptic number.

It is an amenable number.

122311110021 is a deficient number, since it is larger than the sum of its proper divisors (46348448379).

122311110021 is a wasteful number, since it uses less digits than its factorization.

122311110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10980568.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 122311110021 its reverse (120011113221), we get a palindrome (242322223242).

The spelling of 122311110021 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred ten thousand, twenty-one".