11220012122101 has 4 divisors (see below), whose sum is σ = 11220036239104. Its totient is φ = 11219988005100.

The previous prime is 11220012122057. The next prime is 11220012122113. The reversal of 11220012122101 is 10122121002211.

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 11220012122101 - 2⁹ = 11220012121589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220012122171) 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, 11346645 + ... + 12295786.

It is an arithmetic number, because the mean of its divisors is an integer number (2805009059776).

Almost surely, 2^{11220012122101} is an apocalyptic number.

It is an amenable number.

11220012122101 is a deficient number, since it is larger than the sum of its proper divisors (24117003).

11220012122101 is an equidigital number, since it uses as much as digits as its factorization.

11220012122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24117002.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11220012122101 its reverse (10122121002211), we get a palindrome (21342133124312).

The spelling of 11220012122101 in words is "eleven trillion, two hundred twenty billion, twelve million, one hundred twenty-two thousand, one hundred one".