122111206 has 16 divisors (see below), whose sum is σ = 209583360. Its totient is φ = 52270920.

The previous prime is 122111189. The next prime is 122111219. The reversal of 122111206 is 602111221.

It is a super-4 number, since 4×122111206⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 122111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8121 + ... + 17611.

It is an arithmetic number, because the mean of its divisors is an integer number (13098960).

Almost surely, 2^122111206 is an apocalyptic number.

122111206 is a deficient number, since it is larger than the sum of its proper divisors (87472154).

122111206 is an equidigital number, since it uses as much as digits as its factorization.

122111206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 122111206 is about 11050.3939296298. The cubic root of 122111206 is about 496.1182161641.

Adding to 122111206 its reverse (602111221), we get a palindrome (724222427).

The spelling of 122111206 in words is "one hundred twenty-two million, one hundred eleven thousand, two hundred six".