11220011202101 has 12 divisors (see below), whose sum is σ = 12149612888580. Its totient is φ = 10356819782400.

The previous prime is 11220011202097. The next prime is 11220011202137. The reversal of 11220011202101 is 10120211002211.

It can be written as a sum of positive squares in 6 ways, for example, as 6836138389201 + 4383872812900 = 2614601^2 + 2093770^2 .

It is not a de Polignac number, because 11220011202101 - 2² = 11220011202097 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 (11220011202181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17738555 + ... + 18360183.

It is an arithmetic number, because the mean of its divisors is an integer number (1012467740715).

Almost surely, 2^{11220011202101} is an apocalyptic number.

It is an amenable number.

11220011202101 is a deficient number, since it is larger than the sum of its proper divisors (929601686479).

11220011202101 is a wasteful number, since it uses less digits than its factorization.

11220011202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728456 (or 728443 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11220011202101 its reverse (10120211002211), we get a palindrome (21340222204312).

The spelling of 11220011202101 in words is "eleven trillion, two hundred twenty billion, eleven million, two hundred two thousand, one hundred one".