2111010101011 has 8 divisors (see below), whose sum is σ = 2495775489120. Its totient is φ = 1747042842048.

The previous prime is 2111010100993. The next prime is 2111010101093. The reversal of 2111010101011 is 1101010101112.

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

It is not a de Polignac number, because 2111010101011 - 2²³ = 2111001712403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111010105011) 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 7 ways as a sum of consecutive naturals, for example, 5199532066 + ... + 5199532471.

It is an arithmetic number, because the mean of its divisors is an integer number (311971936140).

Almost surely, 2^{2111010101011} is an apocalyptic number.

2111010101011 is a deficient number, since it is larger than the sum of its proper divisors (384765388109).

2111010101011 is a wasteful number, since it uses less digits than its factorization.

2111010101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399064573.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 2111010101011 its reverse (1101010101112), we get a palindrome (3212020202123).

The spelling of 2111010101011 in words is "two trillion, one hundred eleven billion, ten million, one hundred one thousand, eleven".