21400202230010 has 16 divisors (see below), whose sum is σ = 38535083344296. Its totient is φ = 8556809929728.

The previous prime is 21400202229977. The next prime is 21400202230013. The reversal of 21400202230010 is 1003220200412.

It can be written as a sum of positive squares in 4 ways, for example, as 21336703773889 + 63498456121 = 4619167^2 + 251989^2 .

It is not an unprimeable number, because it can be changed into a prime (21400202230013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408842807 + ... + 408895146.

Almost surely, 2^{21400202230010} is an apocalyptic number.

21400202230010 is a deficient number, since it is larger than the sum of its proper divisors (17134881114286).

21400202230010 is a wasteful number, since it uses less digits than its factorization.

21400202230010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817740577.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21400202230010 its reverse (1003220200412), we get a palindrome (22403422430422).

The spelling of 21400202230010 in words is "twenty-one trillion, four hundred billion, two hundred two million, two hundred thirty thousand, ten".