2212012001021 has 32 divisors (see below), whose sum is σ = 2344028544000. Its totient is φ = 2083241036800.

The previous prime is 2212012000937. The next prime is 2212012001033. The reversal of 2212012001021 is 1201002102122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212012001021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2212012000987 and 2212012001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212012001921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475801505 + ... + 475806153.

It is an arithmetic number, because the mean of its divisors is an integer number (73250892000).

Almost surely, 2^{2212012001021} is an apocalyptic number.

It is an amenable number.

2212012001021 is a deficient number, since it is larger than the sum of its proper divisors (132016542979).

2212012001021 is a wasteful number, since it uses less digits than its factorization.

2212012001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2212012001021 its reverse (1201002102122), we get a palindrome (3413014103143).

It can be divided in two parts, 221201 and 2001021, that added together give a palindrome (2222222).

The spelling of 2212012001021 in words is "two trillion, two hundred twelve billion, twelve million, one thousand, twenty-one".