21222010101110 has 32 divisors (see below), whose sum is σ = 47014914687552. Its totient is φ = 6716416383360.

The previous prime is 21222010101101. The next prime is 21222010101143. The reversal of 21222010101110 is 1110101022212.

It is a super-2 number, since 2×21222010101110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11660444201 + ... + 11660446020.

It is an arithmetic number, because the mean of its divisors is an integer number (1469216083986).

Almost surely, 2^{21222010101110} is an apocalyptic number.

21222010101110 is an abundant number, since it is smaller than the sum of its proper divisors (25792904586442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21222010101110 is a wasteful number, since it uses less digits than its factorization.

21222010101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23320890248.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21222010101110 its reverse (1110101022212), we get a palindrome (22332111123322).

The spelling of 21222010101110 in words is "twenty-one trillion, two hundred twenty-two billion, ten million, one hundred one thousand, one hundred ten".