122111110002211 has 24 divisors (see below), whose sum is σ = 135554123773152. Its totient is φ = 109907830032000.

The previous prime is 122111110002139. The next prime is 122111110002229. The reversal of 122111110002211 is 112200011111221.

It is not a de Polignac number, because 122111110002211 - 2¹¹ = 122111110000163 is a prime.

It is a super-2 number, since 2×122111110002211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122111110000211) 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, 494668231 + ... + 494915023.

It is an arithmetic number, because the mean of its divisors is an integer number (5648088490548).

Almost surely, 2^{122111110002211} is an apocalyptic number.

122111110002211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122111110002211 is a deficient number, since it is larger than the sum of its proper divisors (13443013770941).

122111110002211 is a wasteful number, since it uses less digits than its factorization.

122111110002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287403 (or 287392 counting only the distinct ones).

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

Adding to 122111110002211 its reverse (112200011111221), we get a palindrome (234311121113432).

The spelling of 122111110002211 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred ten million, two thousand, two hundred eleven".