2212021001 has 8 divisors (see below), whose sum is σ = 2225931840. Its totient is φ = 2198137648.

The previous prime is 2212020973. The next prime is 2212021087. The reversal of 2212021001 is 1001202122.

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 2212021001 - 2¹⁴ = 2212004617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212021501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168410 + ... + 181068.

It is an arithmetic number, because the mean of its divisors is an integer number (278241480).

Almost surely, 2^2212021001 is an apocalyptic number.

It is an amenable number.

2212021001 is a deficient number, since it is larger than the sum of its proper divisors (13910839).

2212021001 is a wasteful number, since it uses less digits than its factorization.

2212021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2212021001 is about 47032.1273280297. The cubic root of 2212021001 is about 1302.9559955273.

Adding to 2212021001 its reverse (1001202122), we get a palindrome (3213223123).

The spelling of 2212021001 in words is "two billion, two hundred twelve million, twenty-one thousand, one".