2111231020011 has 8 divisors (see below), whose sum is σ = 2815727576640. Its totient is φ = 1407110905032.

The previous prime is 2111231019967. The next prime is 2111231020037. The reversal of 2111231020011 is 1100201321112.

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

It is not a de Polignac number, because 2111231020011 - 2⁷ = 2111231019883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111231010011) 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, 94097325 + ... + 94119758.

It is an arithmetic number, because the mean of its divisors is an integer number (351965947080).

Almost surely, 2^{2111231020011} is an apocalyptic number.

2111231020011 is a deficient number, since it is larger than the sum of its proper divisors (704496556629).

2111231020011 is a wasteful number, since it uses less digits than its factorization.

2111231020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188220825.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2111231020011 its reverse (1100201321112), we get a palindrome (3211432341123).

The spelling of 2111231020011 in words is "two trillion, one hundred eleven billion, two hundred thirty-one million, twenty thousand, eleven".