11111122101 has 8 divisors (see below), whose sum is σ = 14827705344. Its totient is φ = 7400976800.

The previous prime is 11111122073. The next prime is 11111122109. The reversal of 11111122101 is 10122111111.

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 11111122101 - 2⁵ = 11111122069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111122109) 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, 1605456 + ... + 1612361.

It is an arithmetic number, because the mean of its divisors is an integer number (1853463168).

Almost surely, 2^11111122101 is an apocalyptic number.

It is an amenable number.

11111122101 is a deficient number, since it is larger than the sum of its proper divisors (3716583243).

11111122101 is a wasteful number, since it uses less digits than its factorization.

11111122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218971.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111122101 its reverse (10122111111), we get a palindrome (21233233212).

The spelling of 11111122101 in words is "eleven billion, one hundred eleven million, one hundred twenty-two thousand, one hundred one".