2002321131111 has 32 divisors (see below), whose sum is σ = 3390398036480. Its totient is φ = 1144107669888.

The previous prime is 2002321131067. The next prime is 2002321131149. The reversal of 2002321131111 is 1111311232002.

2002321131111 is a `hidden beast` number, since 20 + 0 + 2 + 321 + 1 + 311 + 11 = 666.

It is not a de Polignac number, because 2002321131111 - 2²⁷ = 2002186913383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002321131011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2572335 + ... + 3259071.

It is an arithmetic number, because the mean of its divisors is an integer number (105949938640).

Almost surely, 2^{2002321131111} is an apocalyptic number.

2002321131111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2002321131111 is a deficient number, since it is larger than the sum of its proper divisors (1388076905369).

2002321131111 is a wasteful number, since it uses less digits than its factorization.

2002321131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702180 (or 702174 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2002321131111 its reverse (1111311232002), we get a palindrome (3113632363113).

The spelling of 2002321131111 in words is "two trillion, two billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred eleven".