2111022001111 has 8 divisors (see below), whose sum is σ = 2175849049248. Its totient is φ = 2047169796000.

The previous prime is 2111022001091. The next prime is 2111022001139. The reversal of 2111022001111 is 1111002201112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2111022001111 - 2⁹ = 2111022000599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111022001091 and 2111022001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111022001511) 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, 243706360 + ... + 243715021.

It is an arithmetic number, because the mean of its divisors is an integer number (271981131156).

Almost surely, 2^{2111022001111} is an apocalyptic number.

2111022001111 is a deficient number, since it is larger than the sum of its proper divisors (64827048137).

2111022001111 is an equidigital number, since it uses as much as digits as its factorization.

2111022001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487421513.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111022001111 its reverse (1111002201112), we get a palindrome (3222024202223).

The spelling of 2111022001111 in words is "two trillion, one hundred eleven billion, twenty-two million, one thousand, one hundred eleven".