2111301213111 has 6 divisors (see below), whose sum is σ = 3049657307840. Its totient is φ = 1407534142068.

The previous prime is 2111301213097. The next prime is 2111301213143. The reversal of 2111301213111 is 1113121031112.

2111301213111 is a `hidden beast` number, since 21 + 11 + 301 + 21 + 311 + 1 = 666.

It is not a de Polignac number, because 2111301213111 - 2¹⁰ = 2111301212087 is a prime.

It is a super-3 number, since 3×2111301213111³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111301213011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117294511831 + ... + 117294511848.

Almost surely, 2^{2111301213111} is an apocalyptic number.

2111301213111 is a deficient number, since it is larger than the sum of its proper divisors (938356094729).

2111301213111 is a wasteful number, since it uses less digits than its factorization.

2111301213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234589023685 (or 234589023682 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 2111301213111 its reverse (1113121031112), we get a palindrome (3224422244223).

It can be divided in two parts, 211130 and 1213111, that added together give a palindrome (1424241).

The spelling of 2111301213111 in words is "two trillion, one hundred eleven billion, three hundred one million, two hundred thirteen thousand, one hundred eleven".