11012100021101 has 4 divisors (see below), whose sum is σ = 11091323762400. Its totient is φ = 10932876279804.

The previous prime is 11012100021037. The next prime is 11012100021137. The reversal of 11012100021101 is 10112000121011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11012100021101 - 2⁶ = 11012100021037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012100021191) 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, 39611870441 + ... + 39611870718.

It is an arithmetic number, because the mean of its divisors is an integer number (2772830940600).

Almost surely, 2^{11012100021101} is an apocalyptic number.

It is an amenable number.

11012100021101 is a deficient number, since it is larger than the sum of its proper divisors (79223741299).

11012100021101 is an equidigital number, since it uses as much as digits as its factorization.

11012100021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79223741298.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11012100021101 its reverse (10112000121011), we get a palindrome (21124100142112).

The spelling of 11012100021101 in words is "eleven trillion, twelve billion, one hundred million, twenty-one thousand, one hundred one".