2012113211021 has 8 divisors (see below), whose sum is σ = 2042219058144. Its totient is φ = 1982009549520.

The previous prime is 2012113210997. The next prime is 2012113211071. The reversal of 2012113211021 is 1201123112102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2012113211021 - 2²² = 2012109016717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012113211071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357871 + ... + 2422403.

It is an arithmetic number, because the mean of its divisors is an integer number (255277382268).

Almost surely, 2^{2012113211021} is an apocalyptic number.

It is an amenable number.

2012113211021 is a deficient number, since it is larger than the sum of its proper divisors (30105847123).

2012113211021 is a wasteful number, since it uses less digits than its factorization.

2012113211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092811.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2012113211021 its reverse (1201123112102), we get a palindrome (3213236323123).

The spelling of 2012113211021 in words is "two trillion, twelve billion, one hundred thirteen million, two hundred eleven thousand, twenty-one".