122101110111012 has 96 divisors (see below), whose sum is σ = 295770075955200. Its totient is φ = 39163095269760.

The previous prime is 122101110110999. The next prime is 122101110111017. The reversal of 122101110111012 is 210111011101221.

It is a junction number, because it is equal to n+sod(n) for n = 122101110110982 and 122101110111000.

It is not an unprimeable number, because it can be changed into a prime (122101110111017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117248989 + ... + 118285787.

It is an arithmetic number, because the mean of its divisors is an integer number (3080938291200).

Almost surely, 2^{122101110111012} is an apocalyptic number.

122101110111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122101110111012 is an abundant number, since it is smaller than the sum of its proper divisors (173668965844188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122101110111012 is a wasteful number, since it uses less digits than its factorization.

122101110111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038641 (or 1038639 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 122101110111012 its reverse (210111011101221), we get a palindrome (332212121212233).

The spelling of 122101110111012 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred ten million, one hundred eleven thousand, twelve".