2001112101102 has 16 divisors (see below), whose sum is σ = 4099839427152. Its totient is φ = 650768162880.

The previous prime is 2001112101047. The next prime is 2001112101179. The reversal of 2001112101102 is 2011012111002.

It is a super-2 number, since 2×2001112101102² (a number of 25 digits) contains 22 as substring.

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, 4067300773 + ... + 4067301264.

It is an arithmetic number, because the mean of its divisors is an integer number (256239964197).

Almost surely, 2^{2001112101102} is an apocalyptic number.

2001112101102 is an abundant number, since it is smaller than the sum of its proper divisors (2098727326050).

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

2001112101102 is a wasteful number, since it uses less digits than its factorization.

2001112101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134602083.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001112101102 its reverse (2011012111002), we get a palindrome (4012124212104).

The spelling of 2001112101102 in words is "two trillion, one billion, one hundred twelve million, one hundred one thousand, one hundred two".