2001102121112 has 32 divisors (see below), whose sum is σ = 3757857364800. Its totient is φ = 999007888800.

The previous prime is 2001102121061. The next prime is 2001102121159. The reversal of 2001102121112 is 2111212011002.

It is a super-3 number, since 3×2001102121112³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 15307787 + ... + 15437957.

It is an arithmetic number, because the mean of its divisors is an integer number (117433042650).

Almost surely, 2^{2001102121112} is an apocalyptic number.

It is an amenable number.

2001102121112 is a deficient number, since it is larger than the sum of its proper divisors (1756755243688).

2001102121112 is a wasteful number, since it uses less digits than its factorization.

2001102121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133127 (or 133123 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2001102121112 its reverse (2111212011002), we get a palindrome (4112314132114).

The spelling of 2001102121112 in words is "two trillion, one billion, one hundred two million, one hundred twenty-one thousand, one hundred twelve".