122111101222 has 32 divisors (see below), whose sum is σ = 213591458304. Its totient is φ = 51796852800.

The previous prime is 122111101219. The next prime is 122111101223. The reversal of 122111101222 is 222101111221.

It is a super-2 number, since 2×122111101222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111101196 and 122111101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111101223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2922258 + ... + 2963749.

It is an arithmetic number, because the mean of its divisors is an integer number (6674733072).

Almost surely, 2^122111101222 is an apocalyptic number.

122111101222 is a deficient number, since it is larger than the sum of its proper divisors (91480357082).

122111101222 is a wasteful number, since it uses less digits than its factorization.

122111101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886084.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122111101222 its reverse (222101111221), we get a palindrome (344212212443).

Subtracting 122111101222 from its reverse (222101111221), we obtain a palindrome (99990009999).

The spelling of 122111101222 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred one thousand, two hundred twenty-two".