222210110221002 has 12 divisors (see below), whose sum is σ = 481455238812210. Its totient is φ = 74070036740328.

The previous prime is 222210110220913. The next prime is 222210110221003. The reversal of 222210110221002 is 200122011012222.

It is a happy number.

222210110221002 is a `hidden beast` number, since 222 + 210 + 1 + 10 + 221 + 0 + 0 + 2 = 666.

222210110221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 219246923246121 + 2963186974881 = 14806989^2 + 1721391^2 .

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: 12345006123389 = 222210110221002 / (2 + 2 + 2 + 2 + 1 + 0 + 1 + 1 + 0 + 2 + 2 + 1 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (222210110221003) 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, 6172503061677 + ... + 6172503061712.

Almost surely, 2^{222210110221002} is an apocalyptic number.

222210110221002 is an abundant number, since it is smaller than the sum of its proper divisors (259245128591208).

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

222210110221002 is a wasteful number, since it uses less digits than its factorization.

222210110221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12345006123397 (or 12345006123394 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222210110221002 its reverse (200122011012222), we get a palindrome (422332121233224).

The spelling of 222210110221002 in words is "two hundred twenty-two trillion, two hundred ten billion, one hundred ten million, two hundred twenty-one thousand, two".