122021002122211 has 16 divisors (see below), whose sum is σ = 126055722284800. Its totient is φ = 117992471178240.

The previous prime is 122021002122181. The next prime is 122021002122287. The reversal of 122021002122211 is 112221200120221.

It is a cyclic number.

It is not a de Polignac number, because 122021002122211 - 2³⁵ = 121986642383843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021002122011) 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, 252994015 + ... + 253475863.

It is an arithmetic number, because the mean of its divisors is an integer number (7878482642800).

Almost surely, 2^{122021002122211} is an apocalyptic number.

122021002122211 is a deficient number, since it is larger than the sum of its proper divisors (4034720162589).

122021002122211 is a wasteful number, since it uses less digits than its factorization.

122021002122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488254.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122021002122211 its reverse (112221200120221), we get a palindrome (234242202242432).

The spelling of 122021002122211 in words is "one hundred twenty-two trillion, twenty-one billion, two million, one hundred twenty-two thousand, two hundred eleven".