2210012021 has 8 divisors (see below), whose sum is σ = 2526029184. Its totient is φ = 1894070160.

The previous prime is 2210012003. The next prime is 2210012027. The reversal of 2210012021 is 1202100122.

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 a de Polignac number, because none of the positive numbers 2^k-2210012021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210011993 and 2210012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210012027) 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, 75776 + ... + 100806.

It is an arithmetic number, because the mean of its divisors is an integer number (315753648).

Almost surely, 2^2210012021 is an apocalyptic number.

It is an amenable number.

2210012021 is a deficient number, since it is larger than the sum of its proper divisors (316017163).

2210012021 is a wasteful number, since it uses less digits than its factorization.

2210012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651.

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

The square root of 2210012021 is about 47010.7649480414. The cubic root of 2210012021 is about 1302.5614234170.

Adding to 2210012021 its reverse (1202100122), we get a palindrome (3412112143).

The spelling of 2210012021 in words is "two billion, two hundred ten million, twelve thousand, twenty-one".