11101111221101 has 8 divisors (see below), whose sum is σ = 12500958091008. Its totient is φ = 9766373508000.

The previous prime is 11101111221043. The next prime is 11101111221121. The reversal of 11101111221101 is 10112211110111.

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 11101111221101 - 2²² = 11101107026797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101111221121) 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, 16277288840 + ... + 16277289521.

It is an arithmetic number, because the mean of its divisors is an integer number (1562619761376).

Almost surely, 2^{11101111221101} is an apocalyptic number.

11101111221101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101111221101 is a deficient number, since it is larger than the sum of its proper divisors (1399846869907).

11101111221101 is a wasteful number, since it uses less digits than its factorization.

11101111221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32554578403.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11101111221101 its reverse (10112211110111), we get a palindrome (21213322331212).

The spelling of 11101111221101 in words is "eleven trillion, one hundred one billion, one hundred eleven million, two hundred twenty-one thousand, one hundred one".