2001020211102 has 16 divisors (see below), whose sum is σ = 4365862278912. Its totient is φ = 606369760920.

The previous prime is 2001020211061. The next prime is 2001020211109. The reversal of 2001020211102 is 2011120201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001020211109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15159243958 + ... + 15159244089.

It is an arithmetic number, because the mean of its divisors is an integer number (272866392432).

Almost surely, 2^{2001020211102} is an apocalyptic number.

2001020211102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001020211102 is an abundant number, since it is smaller than the sum of its proper divisors (2364842067810).

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

2001020211102 is a wasteful number, since it uses less digits than its factorization.

2001020211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30318488063.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001020211102 its reverse (2011120201002), we get a palindrome (4012140412104).

It can be divided in two parts, 2001020 and 211102, that added together give a palindrome (2212122).

The spelling of 2001020211102 in words is "two trillion, one billion, twenty million, two hundred eleven thousand, one hundred two".