1210012100011 has 32 divisors (see below), whose sum is σ = 1496652192000. Its totient is φ = 961772330880.

The previous prime is 1210012100009. The next prime is 1210012100023. The reversal of 1210012100011 is 1100012100121.

It is a cyclic number.

It is not a de Polignac number, because 1210012100011 - 2¹ = 1210012100009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210012100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15494140 + ... + 15572038.

It is an arithmetic number, because the mean of its divisors is an integer number (46770381000).

Almost surely, 2^{1210012100011} is an apocalyptic number.

1210012100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210012100011 is a deficient number, since it is larger than the sum of its proper divisors (286640091989).

1210012100011 is a wasteful number, since it uses less digits than its factorization.

1210012100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83659.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1210012100011 its reverse (1100012100121), we get a palindrome (2310024200132).

The spelling of 1210012100011 in words is "one trillion, two hundred ten billion, twelve million, one hundred thousand, eleven".