21111011110094 has 8 divisors (see below), whose sum is σ = 31717674206040. Its totient is φ = 10538453041416.

The previous prime is 21111011110093. The next prime is 21111011110139. The reversal of 21111011110094 is 49001111011112.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21111011110093) 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, 8526255269 + ... + 8526257744.

It is an arithmetic number, because the mean of its divisors is an integer number (3964709275755).

Almost surely, 2^{21111011110094} is an apocalyptic number.

21111011110094 is a deficient number, since it is larger than the sum of its proper divisors (10606663095946).

21111011110094 is a wasteful number, since it uses less digits than its factorization.

21111011110094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17052513634.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 21111011110094 in words is "twenty-one trillion, one hundred eleven billion, eleven million, one hundred ten thousand, ninety-four".