2213401021 has 16 divisors (see below), whose sum is σ = 2506331520. Its totient is φ = 1939354560.

The previous prime is 2213401019. The next prime is 2213401061. The reversal of 2213401021 is 1201043122.

It is not a de Polignac number, because 2213401021 - 2¹ = 2213401019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213400986 and 2213401004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213401061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10915 + ... + 67423.

It is an arithmetic number, because the mean of its divisors is an integer number (156645720).

Almost surely, 2^2213401021 is an apocalyptic number.

It is an amenable number.

2213401021 is a deficient number, since it is larger than the sum of its proper divisors (292930499).

2213401021 is a wasteful number, since it uses less digits than its factorization.

2213401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56676.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2213401021 is about 47046.7960758222. The cubic root of 2213401021 is about 1303.2268988524.

Adding to 2213401021 its reverse (1201043122), we get a palindrome (3414444143).

The spelling of 2213401021 in words is "two billion, two hundred thirteen million, four hundred one thousand, twenty-one".