1211110011110 has 16 divisors (see below), whose sum is σ = 2180696569632. Its totient is φ = 484288771200.

The previous prime is 1211110011109. The next prime is 1211110011113. The reversal of 1211110011110 is 111100111121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1211110011091 and 1211110011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211110011113) 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, 19371386 + ... + 19433805.

It is an arithmetic number, because the mean of its divisors is an integer number (136293535602).

Almost surely, 2^{1211110011110} is an apocalyptic number.

1211110011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211110011110 is a deficient number, since it is larger than the sum of its proper divisors (969586558522).

1211110011110 is a wasteful number, since it uses less digits than its factorization.

1211110011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38808319.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1211110011110 its reverse (111100111121), we get a palindrome (1322210122231).

The spelling of 1211110011110 in words is "one trillion, two hundred eleven billion, one hundred ten million, eleven thousand, one hundred ten".