2001212011011 has 8 divisors (see below), whose sum is σ = 2669621516560. Its totient is φ = 1333471923072.

The previous prime is 2001212011003. The next prime is 2001212011067. The reversal of 2001212011011 is 1101102121002.

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

It is not a de Polignac number, because 2001212011011 - 2³ = 2001212011003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001212031011) 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, 167347426 + ... + 167359383.

It is an arithmetic number, because the mean of its divisors is an integer number (333702689570).

Almost surely, 2^{2001212011011} is an apocalyptic number.

2001212011011 is a deficient number, since it is larger than the sum of its proper divisors (668409505549).

2001212011011 is a wasteful number, since it uses less digits than its factorization.

2001212011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334708805.

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

Adding to 2001212011011 its reverse (1101102121002), we get a palindrome (3102314132013).

The spelling of 2001212011011 in words is "two trillion, one billion, two hundred twelve million, eleven thousand, eleven".