122111002220211 has 24 divisors (see below), whose sum is σ = 181155930243600. Its totient is φ = 79204392720576.

The previous prime is 122111002220159. The next prime is 122111002220227. The reversal of 122111002220211 is 112022200111221.

122111002220211 is a `hidden beast` number, since 1 + 221 + 1 + 10 + 0 + 2 + 220 + 211 = 666.

It is not a de Polignac number, because 122111002220211 - 2⁷ = 122111002220083 is a prime.

It is a super-2 number, since 2×122111002220211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111002220111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3297640 + ... + 15971738.

It is an arithmetic number, because the mean of its divisors is an integer number (7548163760150).

Almost surely, 2^{122111002220211} is an apocalyptic number.

122111002220211 is a deficient number, since it is larger than the sum of its proper divisors (59044928023389).

122111002220211 is a wasteful number, since it uses less digits than its factorization.

122111002220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12703075 (or 12703072 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122111002220211 its reverse (112022200111221), we get a palindrome (234133202331432).

The spelling of 122111002220211 in words is "one hundred twenty-two trillion, one hundred eleven billion, two million, two hundred twenty thousand, two hundred eleven".