12211202121122 has 16 divisors (see below), whose sum is σ = 18544284158400. Its totient is φ = 6030134292240.

The previous prime is 12211202121059. The next prime is 12211202121161. The reversal of 12211202121122 is 22112120211221.

12211202121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211202121122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211202121094 and 12211202121103.

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, 89987972 + ... + 90123567.

It is an arithmetic number, because the mean of its divisors is an integer number (1159017759900).

Almost surely, 2^{12211202121122} is an apocalyptic number.

12211202121122 is a deficient number, since it is larger than the sum of its proper divisors (6333082037278).

12211202121122 is a wasteful number, since it uses less digits than its factorization.

12211202121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180111961.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12211202121122 its reverse (22112120211221), we get a palindrome (34323322332343).

The spelling of 12211202121122 in words is "twelve trillion, two hundred eleven billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty-two".