1210012002111 has 24 divisors (see below), whose sum is σ = 1779127474432. Its totient is φ = 730951808400.

The previous prime is 1210012002091. The next prime is 1210012002197. The reversal of 1210012002111 is 1112002100121.

It is not a de Polignac number, because 1210012002111 - 2⁹ = 1210012001599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210012002211) 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, 5317495 + ... + 5540376.

Almost surely, 2^{1210012002111} is an apocalyptic number.

1210012002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210012002111 is a deficient number, since it is larger than the sum of its proper divisors (569115472321).

1210012002111 is a wasteful number, since it uses less digits than its factorization.

1210012002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10858203 (or 10858192 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1210012002111 its reverse (1112002100121), we get a palindrome (2322014102232).

The spelling of 1210012002111 in words is "one trillion, two hundred ten billion, twelve million, two thousand, one hundred eleven".