11201120001211 has 12 divisors (see below), whose sum is σ = 13030104571968. Its totient is φ = 9600790317552.

The previous prime is 11201120001173. The next prime is 11201120001329. The reversal of 11201120001211 is 11210002110211.

It is a happy number.

It is not a de Polignac number, because 11201120001211 - 2⁷ = 11201120001083 is a prime.

It is a super-2 number, since 2×11201120001211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201120001191 and 11201120001200.

It is not an unprimeable number, because it can be changed into a prime (11201120001611) 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, 821110 + ... + 4803796.

It is an arithmetic number, because the mean of its divisors is an integer number (1085842047664).

Almost surely, 2^{11201120001211} is an apocalyptic number.

11201120001211 is a deficient number, since it is larger than the sum of its proper divisors (1828984570757).

11201120001211 is an equidigital number, since it uses as much as digits as its factorization.

11201120001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040098 (or 4040091 counting only the distinct ones).

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

Adding to 11201120001211 its reverse (11210002110211), we get a palindrome (22411122111422).

The spelling of 11201120001211 in words is "eleven trillion, two hundred one billion, one hundred twenty million, one thousand, two hundred eleven".