1110001212111 has 64 divisors (see below), whose sum is σ = 1672314107904. Its totient is φ = 649071696000.

The previous prime is 1110001212053. The next prime is 1110001212121. The reversal of 1110001212111 is 1112121000111.

It is not a de Polignac number, because 1110001212111 - 2³¹ = 1107853728463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110001212121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63481576 + ... + 63499058.

It is an arithmetic number, because the mean of its divisors is an integer number (26129907936).

Almost surely, 2^{1110001212111} is an apocalyptic number.

1110001212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1110001212111 is a deficient number, since it is larger than the sum of its proper divisors (562312895793).

1110001212111 is a wasteful number, since it uses less digits than its factorization.

1110001212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18084.

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

Adding to 1110001212111 its reverse (1112121000111), we get a palindrome (2222122212222).

The spelling of 1110001212111 in words is "one trillion, one hundred ten billion, one million, two hundred twelve thousand, one hundred eleven".