21222210210113 has 16 divisors (see below), whose sum is σ = 23499673511616. Its totient is φ = 19004870384640.

The previous prime is 21222210210029. The next prime is 21222210210139. The reversal of 21222210210113 is 31101201222212.

It is a cyclic number.

It is not a de Polignac number, because 21222210210113 - 2³² = 21217915242817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21222210210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52169720 + ... + 52574937.

It is an arithmetic number, because the mean of its divisors is an integer number (1468729594476).

Almost surely, 2^{21222210210113} is an apocalyptic number.

It is an amenable number.

21222210210113 is a deficient number, since it is larger than the sum of its proper divisors (2277463301503).

21222210210113 is a wasteful number, since it uses less digits than its factorization.

21222210210113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104744944.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21222210210113 its reverse (31101201222212), we get a palindrome (52323411432325).

The spelling of 21222210210113 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred ten million, two hundred ten thousand, one hundred thirteen".