1210001110011 has 24 divisors (see below), whose sum is σ = 1900605885984. Its totient is φ = 738697017600.

The previous prime is 1210001110009. The next prime is 1210001110033. The reversal of 1210001110011 is 1100111000121.

It is not a de Polignac number, because 1210001110011 - 2¹ = 1210001110009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1210001109975 and 1210001110002.

It is not an unprimeable number, because it can be changed into a prime (1210001112011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106866015 + ... + 106877336.

It is an arithmetic number, because the mean of its divisors is an integer number (79191911916).

Almost surely, 2^{1210001110011} is an apocalyptic number.

1210001110011 is a deficient number, since it is larger than the sum of its proper divisors (690604775973).

1210001110011 is a wasteful number, since it uses less digits than its factorization.

1210001110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213743411 (or 213743408 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1210001110011 its reverse (1100111000121), we get a palindrome (2310112110132).

The spelling of 1210001110011 in words is "one trillion, two hundred ten billion, one million, one hundred ten thousand, eleven".