21220010110010 has 16 divisors (see below), whose sum is σ = 38196084880800. Its totient is φ = 8487989225616.

The previous prime is 21220010109997. The next prime is 21220010110027. The reversal of 21220010110010 is 1001101002212.

It is a super-2 number, since 2×21220010110010² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21220010109973 and 21220010110000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5583581 + ... + 8579999.

It is an arithmetic number, because the mean of its divisors is an integer number (2387255305050).

Almost surely, 2^{21220010110010} is an apocalyptic number.

21220010110010 is a deficient number, since it is larger than the sum of its proper divisors (16976074770790).

21220010110010 is a wasteful number, since it uses less digits than its factorization.

21220010110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704605.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21220010110010 its reverse (1001101002212), we get a palindrome (22221111112222).

The spelling of 21220010110010 in words is "twenty-one trillion, two hundred twenty billion, ten million, one hundred ten thousand, ten".