122101121111012 has 12 divisors (see below), whose sum is σ = 213740803306800. Its totient is φ = 61032320166216.

The previous prime is 122101121110981. The next prime is 122101121111071. The reversal of 122101121111012 is 210111121101221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560082262 + ... + 4560109037.

It is an arithmetic number, because the mean of its divisors is an integer number (17811733608900).

Almost surely, 2^{122101121111012} is an apocalyptic number.

It is an amenable number.

122101121111012 is a deficient number, since it is larger than the sum of its proper divisors (91639682195788).

122101121111012 is a wasteful number, since it uses less digits than its factorization.

122101121111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120194650 (or 9120194648 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 122101121111012 its reverse (210111121101221), we get a palindrome (332212242212233).

The spelling of 122101121111012 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, twelve".