11220011021101 has 4 divisors (see below), whose sum is σ = 11220025211452. Its totient is φ = 11219996830752.

The previous prime is 11220011021081. The next prime is 11220011021143. The reversal of 11220011021101 is 10112011002211.

It is a happy number.

11220011021101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7299317975625 + 3920693045476 = 2701725^2 + 1980074^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220011021101 - 2¹⁹ = 11220010496813 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 (11220011021801) 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, 5834490 + ... + 7515403.

It is an arithmetic number, because the mean of its divisors is an integer number (2805006302863).

Almost surely, 2^{11220011021101} is an apocalyptic number.

It is an amenable number.

11220011021101 is a deficient number, since it is larger than the sum of its proper divisors (14190351).

11220011021101 is an equidigital number, since it uses as much as digits as its factorization.

11220011021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14190350.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11220011021101 its reverse (10112011002211), we get a palindrome (21332022023312).

The spelling of 11220011021101 in words is "eleven trillion, two hundred twenty billion, eleven million, twenty-one thousand, one hundred one".