1210110001011 has 12 divisors (see below), whose sum is σ = 1795178200192. Its totient is φ = 784936216656.

The previous prime is 1210110000997. The next prime is 1210110001013. The reversal of 1210110001011 is 1101000110121.

It is not a de Polignac number, because 1210110001011 - 2¹¹ = 1210109998963 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210110000984 and 1210110001002.

It is not an unprimeable number, because it can be changed into a prime (1210110001013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1816981651 + ... + 1816982316.

Almost surely, 2^{1210110001011} is an apocalyptic number.

1210110001011 is a deficient number, since it is larger than the sum of its proper divisors (585068199181).

1210110001011 is a wasteful number, since it uses less digits than its factorization.

1210110001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633964010 (or 3633964007 counting only the distinct ones).

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

Adding to 1210110001011 its reverse (1101000110121), we get a palindrome (2311110111132).

The spelling of 1210110001011 in words is "one trillion, two hundred ten billion, one hundred ten million, one thousand, eleven".