12100111121122 has 8 divisors (see below), whose sum is σ = 18150877386972. Its totient is φ = 6049818658800.

The previous prime is 12100111121081. The next prime is 12100111121129. The reversal of 12100111121122 is 22112111100121.

It can be written as a sum of positive squares in 2 ways, for example, as 10741881705361 + 1358229415761 = 3277481^2 + 1165431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12100111121096 and 12100111121105.

It is not an unprimeable number, because it can be changed into a prime (12100111121129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118387029 + ... + 118489192.

Almost surely, 2^{12100111121122} is an apocalyptic number.

12100111121122 is a deficient number, since it is larger than the sum of its proper divisors (6050766265850).

12100111121122 is a wasteful number, since it uses less digits than its factorization.

12100111121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236901764.

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

Adding to 12100111121122 its reverse (22112111100121), we get a palindrome (34212222221243).

The spelling of 12100111121122 in words is "twelve trillion, one hundred billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".