1111201101211 has 8 divisors (see below), whose sum is σ = 1159674763680. Its totient is φ = 1062740819712.

The previous prime is 1111201101173. The next prime is 1111201101223. The reversal of 1111201101211 is 1121011021111.

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-1111201101211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111201101191 and 1111201101200.

It is not an unprimeable number, because it can be changed into a prime (1111201101251) 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, 3175350 + ... + 3507883.

It is an arithmetic number, because the mean of its divisors is an integer number (144959345460).

Almost surely, 2^{1111201101211} is an apocalyptic number.

1111201101211 is a deficient number, since it is larger than the sum of its proper divisors (48473662469).

1111201101211 is an equidigital number, since it uses as much as digits as its factorization.

1111201101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690485.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1111201101211 its reverse (1121011021111), we get a palindrome (2232212122322).

The spelling of 1111201101211 in words is "one trillion, one hundred eleven billion, two hundred one million, one hundred one thousand, two hundred eleven".