1210002011 has 4 divisors (see below), whose sum is σ = 1211957400. Its totient is φ = 1208046624.

The previous prime is 1210001987. The next prime is 1210002019. The reversal of 1210002011 is 1102000121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210002011 - 2¹⁴ = 1209985627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1210002011.

It is not an unprimeable number, because it can be changed into a prime (1210002019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976766 + ... + 978003.

It is an arithmetic number, because the mean of its divisors is an integer number (302989350).

Almost surely, 2^1210002011 is an apocalyptic number.

1210002011 is a deficient number, since it is larger than the sum of its proper divisors (1955389).

1210002011 is an equidigital number, since it uses as much as digits as its factorization.

1210002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955388.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1210002011 is about 34785.0831679328. The cubic root of 1210002011 is about 1065.6028271041.

Adding to 1210002011 its reverse (1102000121), we get a palindrome (2312002132).

The spelling of 1210002011 in words is "one billion, two hundred ten million, two thousand, eleven".