2202140021 has 16 divisors (see below), whose sum is σ = 2267820288. Its totient is φ = 2137344000.

The previous prime is 2202140011. The next prime is 2202140029. The reversal of 2202140021 is 1200412022.

It is a cyclic number.

It is not a de Polignac number, because 2202140021 - 2¹⁰ = 2202138997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2202139978 and 2202140005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202140029) 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, 5491421 + ... + 5491821.

It is an arithmetic number, because the mean of its divisors is an integer number (141738768).

Almost surely, 2^2202140021 is an apocalyptic number.

It is an amenable number.

2202140021 is a deficient number, since it is larger than the sum of its proper divisors (65680267).

2202140021 is a wasteful number, since it uses less digits than its factorization.

2202140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2202140021 is about 46926.9647537533. The cubic root of 2202140021 is about 1301.0130212492.

Adding to 2202140021 its reverse (1200412022), we get a palindrome (3402552043).

The spelling of 2202140021 in words is "two billion, two hundred two million, one hundred forty thousand, twenty-one".