1211330002011 has 8 divisors (see below), whose sum is σ = 1658758201104. Its totient is φ = 785727568800.

The previous prime is 1211330001977. The next prime is 1211330002013. The reversal of 1211330002011 is 1102000331121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211330002011 - 2⁹ = 1211330001499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1211330002013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456441340 + ... + 5456441561.

It is an arithmetic number, because the mean of its divisors is an integer number (207344775138).

Almost surely, 2^{1211330002011} is an apocalyptic number.

1211330002011 is a deficient number, since it is larger than the sum of its proper divisors (447428199093).

1211330002011 is a wasteful number, since it uses less digits than its factorization.

1211330002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912882941.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1211330002011 its reverse (1102000331121), we get a palindrome (2313330333132).

The spelling of 1211330002011 in words is "one trillion, two hundred eleven billion, three hundred thirty million, two thousand, eleven".