2210002121 has 8 divisors (see below), whose sum is σ = 2296608000. Its totient is φ = 2124353520.
The previous prime is 2210002103. The next prime is 2210002129. The reversal of 2210002121 is 1212000122.
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 2210002121 - 226 = 2142893257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2210002129) 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 7 ways as a sum of consecutive naturals, for example, 234611 + ... + 243848.
It is an arithmetic number, because the mean of its divisors is an integer number (287076000).
Almost surely, 22210002121 is an apocalyptic number.
It is an amenable number.
2210002121 is a deficient number, since it is larger than the sum of its proper divisors (86605879).
2210002121 is a wasteful number, since it uses less digits than its factorization.
2210002121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478639.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 2210002121 is about 47010.6596528915. The cubic root of 2210002121 is about 1302.5594784234.
Adding to 2210002121 its reverse (1212000122), we get a palindrome (3422002243).
The spelling of 2210002121 in words is "two billion, two hundred ten million, two thousand, one hundred twenty-one".
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