21131034222010 has 32 divisors (see below), whose sum is σ = 38596194911232. Its totient is φ = 8328047132160.

The previous prime is 21131034221953. The next prime is 21131034222019. The reversal of 21131034222010 is 1022243013112.

It is not an unprimeable number, because it can be changed into a prime (21131034222019) 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 15 ways as a sum of consecutive naturals, for example, 8383927 + ... + 10609066.

It is an arithmetic number, because the mean of its divisors is an integer number (1206131090976).

Almost surely, 2^{21131034222010} is an apocalyptic number.

21131034222010 is a deficient number, since it is larger than the sum of its proper divisors (17465160689222).

21131034222010 is a wasteful number, since it uses less digits than its factorization.

21131034222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18994638.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21131034222010 its reverse (1022243013112), we get a palindrome (22153277235122).

The spelling of 21131034222010 in words is "twenty-one trillion, one hundred thirty-one billion, thirty-four million, two hundred twenty-two thousand, ten".