21120001100011 has 8 divisors (see below), whose sum is σ = 24395295388464. Its totient is φ = 18070589176320.

The previous prime is 21120001099987. The next prime is 21120001100053. The reversal of 21120001100011 is 11000110002112.

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 21120001100011 - 2⁵ = 21120001099979 is a prime.

21120001100011 is a modest number, since divided by 1100011 gives 2112 as remainder.

It is not an unprimeable number, because it can be changed into a prime (21120001100071) 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, 56470590990 + ... + 56470591363.

It is an arithmetic number, because the mean of its divisors is an integer number (3049411923558).

Almost surely, 2^{21120001100011} is an apocalyptic number.

21120001100011 is a deficient number, since it is larger than the sum of its proper divisors (3275294288453).

21120001100011 is a wasteful number, since it uses less digits than its factorization.

21120001100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112941182381.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 21120001100011 its reverse (11000110002112), we get a palindrome (32120111102123).

The spelling of 21120001100011 in words is "twenty-one trillion, one hundred twenty billion, one million, one hundred thousand, eleven".