2001102121102 has 24 divisors (see below), whose sum is σ = 3493958991120. Its totient is φ = 857065023360.

The previous prime is 2001102121061. The next prime is 2001102121159. The reversal of 2001102121102 is 2011212011002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6396099 + ... + 6701662.

It is an arithmetic number, because the mean of its divisors is an integer number (145581624630).

Almost surely, 2^{2001102121102} is an apocalyptic number.

2001102121102 is a deficient number, since it is larger than the sum of its proper divisors (1492856870018).

2001102121102 is a wasteful number, since it uses less digits than its factorization.

2001102121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13099336 (or 13099329 counting only the distinct ones).

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

Adding to 2001102121102 its reverse (2011212011002), we get a palindrome (4012314132104).

The spelling of 2001102121102 in words is "two trillion, one billion, one hundred two million, one hundred twenty-one thousand, one hundred two".