2012011220011 has 16 divisors (see below), whose sum is σ = 2281188016800. Its totient is φ = 1759209573888.

The previous prime is 2012011219979. The next prime is 2012011220027. The reversal of 2012011220011 is 1100221102102.

It is not a de Polignac number, because 2012011220011 - 2⁵ = 2012011219979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2012011219973 and 2012011220000.

It is not an unprimeable number, because it can be changed into a prime (2012011220711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898755 + ... + 2198131.

It is an arithmetic number, because the mean of its divisors is an integer number (142574251050).

Almost surely, 2^{2012011220011} is an apocalyptic number.

2012011220011 is a deficient number, since it is larger than the sum of its proper divisors (269176796789).

2012011220011 is a wasteful number, since it uses less digits than its factorization.

2012011220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305678.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012011220011 its reverse (1100221102102), we get a palindrome (3112232322113).

The spelling of 2012011220011 in words is "two trillion, twelve billion, eleven million, two hundred twenty thousand, eleven".