122021002121011 has 16 divisors (see below), whose sum is σ = 149561846841600. Its totient is φ = 97215200435808.

The previous prime is 122021002121003. The next prime is 122021002121047. The reversal of 122021002121011 is 110121200120221.

It is not a de Polignac number, because 122021002121011 - 2³ = 122021002121003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021002121071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8655192421 + ... + 8655206518.

It is an arithmetic number, because the mean of its divisors is an integer number (9347615427600).

Almost surely, 2^{122021002121011} is an apocalyptic number.

122021002121011 is a deficient number, since it is larger than the sum of its proper divisors (27540844720589).

122021002121011 is a wasteful number, since it uses less digits than its factorization.

122021002121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17310399018.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122021002121011 its reverse (110121200120221), we get a palindrome (232142202241232).

The spelling of 122021002121011 in words is "one hundred twenty-two trillion, twenty-one billion, two million, one hundred twenty-one thousand, eleven".