2210210121021 has 16 divisors (see below), whose sum is σ = 3386546636928. Its totient is φ = 1255999435200.

The previous prime is 2210210120999. The next prime is 2210210121023. The reversal of 2210210121021 is 1201210120122.

It is not a de Polignac number, because 2210210121021 - 2⁷ = 2210210120893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210210121023) 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 15 ways as a sum of consecutive naturals, for example, 290736810 + ... + 290744411.

It is an arithmetic number, because the mean of its divisors is an integer number (211659164808).

Almost surely, 2^{2210210121021} is an apocalyptic number.

2210210121021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2210210121021 is a deficient number, since it is larger than the sum of its proper divisors (1176336515907).

2210210121021 is a wasteful number, since it uses less digits than its factorization.

2210210121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581481412.

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

Adding to 2210210121021 its reverse (1201210120122), we get a palindrome (3411420241143).

The spelling of 2210210121021 in words is "two trillion, two hundred ten billion, two hundred ten million, one hundred twenty-one thousand, twenty-one".