2011332123201 has 32 divisors (see below), whose sum is σ = 2728983398400. Its totient is φ = 1317468011904.

The previous prime is 2011332123169. The next prime is 2011332123211. The reversal of 2011332123201 is 1023212331102.

It is not a de Polignac number, because 2011332123201 - 2⁵ = 2011332123169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011332123211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124018045 + ... + 124034261.

It is an arithmetic number, because the mean of its divisors is an integer number (85280731200).

Almost surely, 2^{2011332123201} is an apocalyptic number.

It is an amenable number.

2011332123201 is a deficient number, since it is larger than the sum of its proper divisors (717651275199).

2011332123201 is a wasteful number, since it uses less digits than its factorization.

2011332123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19005.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2011332123201 its reverse (1023212331102), we get a palindrome (3034544454303).

The spelling of 2011332123201 in words is "two trillion, eleven billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred one".