2112201001011 has 4 divisors (see below), whose sum is σ = 2816268001352. Its totient is φ = 1408134000672.

The previous prime is 2112201000979. The next prime is 2112201001061. The reversal of 2112201001011 is 1101001022112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2112201001011 - 2⁵ = 2112201000979 is a prime.

It is a super-2 number, since 2×2112201001011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112201001061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352033500166 + ... + 352033500171.

It is an arithmetic number, because the mean of its divisors is an integer number (704067000338).

Almost surely, 2^{2112201001011} is an apocalyptic number.

2112201001011 is a deficient number, since it is larger than the sum of its proper divisors (704067000341).

2112201001011 is an equidigital number, since it uses as much as digits as its factorization.

2112201001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704067000340.

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

Adding to 2112201001011 its reverse (1101001022112), we get a palindrome (3213202023123).

The spelling of 2112201001011 in words is "two trillion, one hundred twelve billion, two hundred one million, one thousand, eleven".