2111211202011 has 8 divisors (see below), whose sum is σ = 2814956583504. Its totient is φ = 1407469977600.

The previous prime is 2111211202003. The next prime is 2111211202013. The reversal of 2111211202011 is 1102021121112.

It is a happy number.

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

It is not a de Polignac number, because 2111211202011 - 2³ = 2111211202003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111211202013) 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, 451035 + ... + 2103771.

It is an arithmetic number, because the mean of its divisors is an integer number (351869572938).

Almost surely, 2^{2111211202011} is an apocalyptic number.

2111211202011 is a deficient number, since it is larger than the sum of its proper divisors (703745381493).

2111211202011 is a wasteful number, since it uses less digits than its factorization.

2111211202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078541.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111211202011 its reverse (1102021121112), we get a palindrome (3213232323123).

The spelling of 2111211202011 in words is "two trillion, one hundred eleven billion, two hundred eleven million, two hundred two thousand, eleven".