21110031213410 has 32 divisors (see below), whose sum is σ = 39999196172160. Its totient is φ = 7999342316928.

The previous prime is 21110031213409. The next prime is 21110031213431. The reversal of 21110031213410 is 1431213001112.

It is a super-2 number, since 2×21110031213410² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4466414 + ... + 7884726.

It is an arithmetic number, because the mean of its divisors is an integer number (1249974880380).

Almost surely, 2^{21110031213410} is an apocalyptic number.

21110031213410 is a deficient number, since it is larger than the sum of its proper divisors (18889164958750).

21110031213410 is a wasteful number, since it uses less digits than its factorization.

21110031213410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450842.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21110031213410 its reverse (1431213001112), we get a palindrome (22541244214522).

The spelling of 21110031213410 in words is "twenty-one trillion, one hundred ten billion, thirty-one million, two hundred thirteen thousand, four hundred ten".