2002111122111 has 8 divisors (see below), whose sum is σ = 2785545909120. Its totient is φ = 1276708541592.

The previous prime is 2002111122103. The next prime is 2002111122113. The reversal of 2002111122111 is 1112211112002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002111122111 - 2³ = 2002111122103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002111122113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14508051541 + ... + 14508051678.

It is an arithmetic number, because the mean of its divisors is an integer number (348193238640).

Almost surely, 2^{2002111122111} is an apocalyptic number.

2002111122111 is a deficient number, since it is larger than the sum of its proper divisors (783434787009).

2002111122111 is a wasteful number, since it uses less digits than its factorization.

2002111122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29016103245.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2002111122111 its reverse (1112211112002), we get a palindrome (3114322234113).

The spelling of 2002111122111 in words is "two trillion, two billion, one hundred eleven million, one hundred twenty-two thousand, one hundred eleven".