2012110221021 has 8 divisors (see below), whose sum is σ = 2683038611904. Its totient is φ = 1341294322080.

The previous prime is 2012110220891. The next prime is 2012110221041. The reversal of 2012110221021 is 1201220112102.

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

It is not a de Polignac number, because 2012110221021 - 2¹¹ = 2012110218973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012110221041) 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, 28081240 + ... + 28152801.

It is an arithmetic number, because the mean of its divisors is an integer number (335379826488).

Almost surely, 2^{2012110221021} is an apocalyptic number.

It is an amenable number.

2012110221021 is a deficient number, since it is larger than the sum of its proper divisors (670928390883).

2012110221021 is a wasteful number, since it uses less digits than its factorization.

2012110221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56245971.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012110221021 its reverse (1201220112102), we get a palindrome (3213330333123).

The spelling of 2012110221021 in words is "two trillion, twelve billion, one hundred ten million, two hundred twenty-one thousand, twenty-one".