2002121200111 has 4 divisors (see below), whose sum is σ = 2036055457800. Its totient is φ = 1968186942424.

The previous prime is 2002121200091. The next prime is 2002121200187. The reversal of 2002121200111 is 1110021212002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002121200111 - 2⁷ = 2002121199983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002121200091 and 2002121200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002121200511) 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 3 ways as a sum of consecutive naturals, for example, 16967128756 + ... + 16967128873.

It is an arithmetic number, because the mean of its divisors is an integer number (509013864450).

Almost surely, 2^{2002121200111} is an apocalyptic number.

2002121200111 is a deficient number, since it is larger than the sum of its proper divisors (33934257689).

2002121200111 is an equidigital number, since it uses as much as digits as its factorization.

2002121200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33934257688.

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

Adding to 2002121200111 its reverse (1110021212002), we get a palindrome (3112142412113).

The spelling of 2002121200111 in words is "two trillion, two billion, one hundred twenty-one million, two hundred thousand, one hundred eleven".