2110221012021 has 8 divisors (see below), whose sum is σ = 2813797915584. Its totient is φ = 1406729058240.

The previous prime is 2110221012017. The next prime is 2110221012037. The reversal of 2110221012021 is 1202101220112.

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

It is not a de Polignac number, because 2110221012021 - 2² = 2110221012017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110221012721) 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 7 ways as a sum of consecutive naturals, for example, 21179460 + ... + 21278861.

It is an arithmetic number, because the mean of its divisors is an integer number (351724739448).

Almost surely, 2^{2110221012021} is an apocalyptic number.

It is an amenable number.

2110221012021 is a deficient number, since it is larger than the sum of its proper divisors (703576903563).

2110221012021 is a wasteful number, since it uses less digits than its factorization.

2110221012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42474891.

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

Adding to 2110221012021 its reverse (1202101220112), we get a palindrome (3312322232133).

The spelling of 2110221012021 in words is "two trillion, one hundred ten billion, two hundred twenty-one million, twelve thousand, twenty-one".