11220120101 has 8 divisors (see below), whose sum is σ = 11243084544. Its totient is φ = 11197176480.

The previous prime is 11220120091. The next prime is 11220120127. The reversal of 11220120101 is 10102102211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220120101 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 (11220120701) 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, 1477025 + ... + 1484601.

It is an arithmetic number, because the mean of its divisors is an integer number (1405385568).

Almost surely, 2^11220120101 is an apocalyptic number.

It is an amenable number.

11220120101 is a deficient number, since it is larger than the sum of its proper divisors (22964443).

11220120101 is an equidigital number, since it uses as much as digits as its factorization.

11220120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11220120101 its reverse (10102102211), we get a palindrome (21322222312).

The spelling of 11220120101 in words is "eleven billion, two hundred twenty million, one hundred twenty thousand, one hundred one".