11211201211011 has 8 divisors (see below), whose sum is σ = 14948475286800. Its totient is φ = 7474030637952.

The previous prime is 11211201210973. The next prime is 11211201211109. The reversal of 11211201211011 is 11011210211211.

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

It is not a de Polignac number, because 11211201211011 - 2⁶ = 11211201210947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211201211211) 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, 25622586 + ... + 26056463.

It is an arithmetic number, because the mean of its divisors is an integer number (1868559410850).

Almost surely, 2^{11211201211011} is an apocalyptic number.

11211201211011 is a deficient number, since it is larger than the sum of its proper divisors (3737274075789).

11211201211011 is an equidigital number, since it uses as much as digits as its factorization.

11211201211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51751365.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11211201211011 its reverse (11011210211211), we get a palindrome (22222411422222).

The spelling of 11211201211011 in words is "eleven trillion, two hundred eleven billion, two hundred one million, two hundred eleven thousand, eleven".