211002000112111 has 4 divisors (see below), whose sum is σ = 227232923197672. Its totient is φ = 194771077026552.

The previous prime is 211002000112039. The next prime is 211002000112147. The reversal of 211002000112111 is 111211000200112.

It is a happy number.

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

It is not a de Polignac number, because 211002000112111 - 2⁴⁷ = 70264511756783 is a prime.

It is a super-2 number, since 2×211002000112111² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 16230923085547 = 211002000112111 / (2 + 1 + 1 + 0 + 0 + 2 + 0 + 0 + 0 + 1 + 1 + 2 + 1 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211002000112091 and 211002000112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002000116111) 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, 8115461542761 + ... + 8115461542786.

It is an arithmetic number, because the mean of its divisors is an integer number (56808230799418).

Almost surely, 2^{211002000112111} is an apocalyptic number.

211002000112111 is a deficient number, since it is larger than the sum of its proper divisors (16230923085561).

211002000112111 is a wasteful number, since it uses less digits than its factorization.

211002000112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230923085560.

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

Adding to 211002000112111 its reverse (111211000200112), we get a palindrome (322213000312223).

The spelling of 211002000112111 in words is "two hundred eleven trillion, two billion, one hundred twelve thousand, one hundred eleven".