122020111100211 has 32 divisors (see below), whose sum is σ = 163595763555840. Its totient is φ = 80896881133824.

The previous prime is 122020111100191. The next prime is 122020111100213. The reversal of 122020111100211 is 112001111020221.

It is a happy number.

It is not a de Polignac number, because 122020111100211 - 2²³ = 122020102711603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122020111100213) 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 31 ways as a sum of consecutive naturals, for example, 1469248290 + ... + 1469331336.

It is an arithmetic number, because the mean of its divisors is an integer number (5112367611120).

Almost surely, 2^{122020111100211} is an apocalyptic number.

122020111100211 is a deficient number, since it is larger than the sum of its proper divisors (41575652455629).

122020111100211 is a wasteful number, since it uses less digits than its factorization.

122020111100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86875.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122020111100211 its reverse (112001111020221), we get a palindrome (234021222120432).

The spelling of 122020111100211 in words is "one hundred twenty-two trillion, twenty billion, one hundred eleven million, one hundred thousand, two hundred eleven".