121110101121012 has 24 divisors (see below), whose sum is σ = 282590435113056. Its totient is φ = 40370005255008.

The previous prime is 121110101120969. The next prime is 121110101121029. The reversal of 121110101121012 is 210121101011121.

It is a junction number, because it is equal to n+sod(n) for n = 121110101120982 and 121110101121000.

It is a congruent number.

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, 20914663 + ... + 26069969.

It is an arithmetic number, because the mean of its divisors is an integer number (11774601463044).

Almost surely, 2^{121110101121012} is an apocalyptic number.

121110101121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121110101121012 is an abundant number, since it is smaller than the sum of its proper divisors (161480333992044).

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

121110101121012 is a wasteful number, since it uses less digits than its factorization.

121110101121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113007 (or 7113005 counting only the distinct ones).

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

Adding to 121110101121012 its reverse (210121101011121), we get a palindrome (331231202132133).

The spelling of 121110101121012 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred one million, one hundred twenty-one thousand, twelve".