2011202002111 has 4 divisors (see below), whose sum is σ = 2049149209752. Its totient is φ = 1973254794472.

The previous prime is 2011202002037. The next prime is 2011202002141. The reversal of 2011202002111 is 1112002021102.

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 2011202002111 - 2²³ = 2011193613503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011202002091 and 2011202002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011202002141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18973603741 + ... + 18973603846.

It is an arithmetic number, because the mean of its divisors is an integer number (512287302438).

Almost surely, 2^{2011202002111} is an apocalyptic number.

2011202002111 is a deficient number, since it is larger than the sum of its proper divisors (37947207641).

2011202002111 is an equidigital number, since it uses as much as digits as its factorization.

2011202002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37947207640.

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

Adding to 2011202002111 its reverse (1112002021102), we get a palindrome (3123204023213).

The spelling of 2011202002111 in words is "two trillion, eleven billion, two hundred two million, two thousand, one hundred eleven".