10221111120222 has 12 divisors (see below), whose sum is σ = 22145740760520. Its totient is φ = 3407037040068.

The previous prime is 10221111120173. The next prime is 10221111120223. The reversal of 10221111120222 is 22202111112201.

10221111120222 is a `hidden beast` number, since 102 + 211 + 11 + 120 + 222 = 666.

10221111120222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10221111120222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 567839506679 = 10221111120222 / (1 + 0 + 2 + 2 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 10221111120195 and 10221111120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221111120223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283919753322 + ... + 283919753357.

It is an arithmetic number, because the mean of its divisors is an integer number (1845478396710).

Almost surely, 2^{10221111120222} is an apocalyptic number.

10221111120222 is an abundant number, since it is smaller than the sum of its proper divisors (11924629640298).

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

10221111120222 is a wasteful number, since it uses less digits than its factorization.

10221111120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567839506687 (or 567839506684 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10221111120222 its reverse (22202111112201), we get a palindrome (32423222232423).

The spelling of 10221111120222 in words is "ten trillion, two hundred twenty-one billion, one hundred eleven million, one hundred twenty thousand, two hundred twenty-two".