121001012100112 has 40 divisors (see below), whose sum is σ = 240783331916160. Its totient is φ = 58873838943360.

The previous prime is 121001012100077. The next prime is 121001012100203. The reversal of 121001012100112 is 211001210100121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121001012100092 and 121001012100101.

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, 326717464 + ... + 327087607.

It is an arithmetic number, because the mean of its divisors is an integer number (6019583297904).

Almost surely, 2^{121001012100112} is an apocalyptic number.

It is an amenable number.

121001012100112 is a deficient number, since it is larger than the sum of its proper divisors (119782319816048).

121001012100112 is a wasteful number, since it uses less digits than its factorization.

121001012100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653805391 (or 653805385 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121001012100112 its reverse (211001210100121), we get a palindrome (332002222200233).

The spelling of 121001012100112 in words is "one hundred twenty-one trillion, one billion, twelve million, one hundred thousand, one hundred twelve".