221222002212113 has 8 divisors (see below), whose sum is σ = 256598655018432. Its totient is φ = 186788726814096.

The previous prime is 221222002212097. The next prime is 221222002212119. The reversal of 221222002212113 is 311212200222122.

221222002212113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221222002212113 - 2⁴ = 221222002212097 is a prime.

It is a super-2 number, since 2×221222002212113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222002212119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235844351570 + ... + 235844352507.

It is an arithmetic number, because the mean of its divisors is an integer number (32074831877304).

Almost surely, 2^{221222002212113} is an apocalyptic number.

It is an amenable number.

221222002212113 is a deficient number, since it is larger than the sum of its proper divisors (35376652806319).

221222002212113 is an equidigital number, since it uses as much as digits as its factorization.

221222002212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471688704151.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 221222002212113 its reverse (311212200222122), we get a palindrome (532434202434235).

The spelling of 221222002212113 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two million, two hundred twelve thousand, one hundred thirteen".