2111011212001 has 16 divisors (see below), whose sum is σ = 2255828889600. Its totient is φ = 1971087249600.

The previous prime is 2111011211999. The next prime is 2111011212029. The reversal of 2111011212001 is 1002121101112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2111011212001 - 2¹ = 2111011211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111011219001) 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 15 ways as a sum of consecutive naturals, for example, 463056 + ... + 2106286.

It is an arithmetic number, because the mean of its divisors is an integer number (140989305600).

Almost surely, 2^{2111011212001} is an apocalyptic number.

It is an amenable number.

2111011212001 is a deficient number, since it is larger than the sum of its proper divisors (144817677599).

2111011212001 is a wasteful number, since it uses less digits than its factorization.

2111011212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644720.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111011212001 its reverse (1002121101112), we get a palindrome (3113132313113).

The spelling of 2111011212001 in words is "two trillion, one hundred eleven billion, eleven million, two hundred twelve thousand, one".