2002122121110 has 32 divisors (see below), whose sum is σ = 4811198729472. Its totient is φ = 533220828000.

The previous prime is 2002122121093. The next prime is 2002122121159. The reversal of 2002122121110 is 111212212002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2002122121110.

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 15 ways as a sum of consecutive naturals, for example, 42376266 + ... + 42423485.

It is an arithmetic number, because the mean of its divisors is an integer number (150349960296).

Almost surely, 2^{2002122121110} is an apocalyptic number.

2002122121110 is an abundant number, since it is smaller than the sum of its proper divisors (2809076608362).

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

2002122121110 is a wasteful number, since it uses less digits than its factorization.

2002122121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84800548.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2002122121110 its reverse (111212212002), we get a palindrome (2113334333112).

The spelling of 2002122121110 in words is "two trillion, two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred ten".