2011233331201 has 2 divisors, whose sum is σ = 2011233331202. Its totient is φ = 2011233331200.

The previous prime is 2011233331193. The next prime is 2011233331241. The reversal of 2011233331201 is 1021333321102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1466094758976 + 545138572225 = 1210824^2 + 738335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011233331201 - 2³ = 2011233331193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011233331241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005616665600 + 1005616665601.

It is an arithmetic number, because the mean of its divisors is an integer number (1005616665601).

Almost surely, 2^{2011233331201} is an apocalyptic number.

It is an amenable number.

2011233331201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011233331201 is an equidigital number, since it uses as much as digits as its factorization.

2011233331201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2011233331201 its reverse (1021333321102), we get a palindrome (3032566652303).

The spelling of 2011233331201 in words is "two trillion, eleven billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred one".