2001102120112 has 20 divisors (see below), whose sum is σ = 3886388677080. Its totient is φ = 998163106688.

The previous prime is 2001102120053. The next prime is 2001102120163. The reversal of 2001102120112 is 2110212011002.

It is a junction number, because it is equal to n+sod(n) for n = 2001102120092 and 2001102120101.

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, 149240173 + ... + 149253580.

It is an arithmetic number, because the mean of its divisors is an integer number (194319433854).

Almost surely, 2^{2001102120112} is an apocalyptic number.

It is an amenable number.

2001102120112 is a deficient number, since it is larger than the sum of its proper divisors (1885286556968).

2001102120112 is a wasteful number, since it uses less digits than its factorization.

2001102120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298494180 (or 298494174 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001102120112 its reverse (2110212011002), we get a palindrome (4111314131114).

The spelling of 2001102120112 in words is "two trillion, one billion, one hundred two million, one hundred twenty thousand, one hundred twelve".