2001102122110 has 32 divisors (see below), whose sum is σ = 4433210857152. Its totient is φ = 633315836160.

The previous prime is 2001102122087. The next prime is 2001102122161. The reversal of 2001102122110 is 112212011002.

It is a super-2 number, since 2×2001102122110² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099505751 + ... + 1099507570.

It is an arithmetic number, because the mean of its divisors is an integer number (138537839286).

Almost surely, 2^{2001102122110} is an apocalyptic number.

2001102122110 is an abundant number, since it is smaller than the sum of its proper divisors (2432108735042).

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

2001102122110 is a wasteful number, since it uses less digits than its factorization.

2001102122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199013348.

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

Adding to 2001102122110 its reverse (112212011002), we get a palindrome (2113314133112).

It can be divided in two parts, 2001102 and 122110, that added together give a palindrome (2123212).

The spelling of 2001102122110 in words is "two trillion, one billion, one hundred two million, one hundred twenty-two thousand, one hundred ten".