1111100212101 has 12 divisors (see below), whose sum is σ = 1628389292096. Its totient is φ = 673394067720.

The previous prime is 1111100212091. The next prime is 1111100212121. The reversal of 1111100212101 is 1012120011111.

It is not a de Polignac number, because 1111100212101 - 2⁶ = 1111100212037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100212121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530440701 + ... + 1530441426.

Almost surely, 2^{1111100212101} is an apocalyptic number.

1111100212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111100212101 is a deficient number, since it is larger than the sum of its proper divisors (517289079995).

1111100212101 is a wasteful number, since it uses less digits than its factorization.

1111100212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060882152 (or 3060882141 counting only the distinct ones).

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

Adding to 1111100212101 its reverse (1012120011111), we get a palindrome (2123220223212).

The spelling of 1111100212101 in words is "one trillion, one hundred eleven billion, one hundred million, two hundred twelve thousand, one hundred one".