11211110011001 has 8 divisors (see below), whose sum is σ = 11225049802944. Its totient is φ = 11197170991440.

The previous prime is 11211110010979. The next prime is 11211110011021. The reversal of 11211110011001 is 10011001111211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11211110011001 - 2¹⁸ = 11211109748857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211110011021) 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, 32229335 + ... + 32575331.

It is an arithmetic number, because the mean of its divisors is an integer number (1403131225368).

Almost surely, 2^{11211110011001} is an apocalyptic number.

It is an amenable number.

11211110011001 is a deficient number, since it is larger than the sum of its proper divisors (13939791943).

11211110011001 is an equidigital number, since it uses as much as digits as its factorization.

11211110011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386191.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11211110011001 its reverse (10011001111211), we get a palindrome (21222111122212).

The spelling of 11211110011001 in words is "eleven trillion, two hundred eleven billion, one hundred ten million, eleven thousand, one".