1111200101 has 8 divisors (see below), whose sum is σ = 1213151808. Its totient is φ = 1009404000.

The previous prime is 1111200073. The next prime is 1111200107. The reversal of 1111200101 is 1010021111.

It is a happy number.

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

It is not a de Polignac number, because 1111200101 - 2⁶ = 1111200037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111200107) 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, 23705 + ... + 52766.

It is an arithmetic number, because the mean of its divisors is an integer number (151643976).

Almost surely, 2^1111200101 is an apocalyptic number.

1111200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111200101 is a deficient number, since it is larger than the sum of its proper divisors (101951707).

1111200101 is a wasteful number, since it uses less digits than its factorization.

1111200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77803.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1111200101 is about 33334.6681549404. The cubic root of 1111200101 is about 1035.7718191407.

Adding to 1111200101 its reverse (1010021111), we get a palindrome (2121221212).

The spelling of 1111200101 in words is "one billion, one hundred eleven million, two hundred thousand, one hundred one".