11112221000101 has 8 divisors (see below), whose sum is σ = 12135556629504. Its totient is φ = 10112963856240.

The previous prime is 11112221000099. The next prime is 11112221000117. The reversal of 11112221000101 is 10100012221111.

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 11112221000101 - 2¹ = 11112221000099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112221000801) 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, 6019620421 + ... + 6019622266.

It is an arithmetic number, because the mean of its divisors is an integer number (1516944578688).

Almost surely, 2^{11112221000101} is an apocalyptic number.

It is an amenable number.

11112221000101 is a deficient number, since it is larger than the sum of its proper divisors (1023335629403).

11112221000101 is a wasteful number, since it uses less digits than its factorization.

11112221000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039242771.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112221000101 its reverse (10100012221111), we get a palindrome (21212233221212).

The spelling of 11112221000101 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-one million, one hundred one", and thus it is an aban number.