222211110021 has 8 divisors (see below), whose sum is σ = 296301651744. Its totient is φ = 148130654160.

The previous prime is 222211109969. The next prime is 222211110029. The reversal of 222211110021 is 120011112222.

222211110021 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 not a de Polignac number, because 222211110021 - 2⁶ = 222211109957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211110029) 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 7 ways as a sum of consecutive naturals, for example, 2469906 + ... + 2558291.

It is an arithmetic number, because the mean of its divisors is an integer number (37037706468).

Almost surely, 2^222211110021 is an apocalyptic number.

It is an amenable number.

222211110021 is a deficient number, since it is larger than the sum of its proper divisors (74090541723).

222211110021 is a wasteful number, since it uses less digits than its factorization.

222211110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042931.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222211110021 its reverse (120011112222), we get a palindrome (342222222243).

The spelling of 222211110021 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred ten thousand, twenty-one".