121011210011112 has 64 divisors (see below), whose sum is σ = 302622027048000. Its totient is φ = 40324537611264.

The previous prime is 121011210011101. The next prime is 121011210011129. The reversal of 121011210011112 is 211110012110121.

It is a junction number, because it is equal to n+sod(n) for n = 121011210011091 and 121011210011100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3303681214 + ... + 3303717842.

It is an arithmetic number, because the mean of its divisors is an integer number (4728469172625).

Almost surely, 2^{121011210011112} is an apocalyptic number.

121011210011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121011210011112 is an abundant number, since it is smaller than the sum of its proper divisors (181610817036888).

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

121011210011112 is a wasteful number, since it uses less digits than its factorization.

121011210011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75650 (or 75646 counting only the distinct ones).

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

Adding to 121011210011112 its reverse (211110012110121), we get a palindrome (332121222121233).

The spelling of 121011210011112 in words is "one hundred twenty-one trillion, eleven billion, two hundred ten million, eleven thousand, one hundred twelve".