102222221002222 has 4 divisors (see below), whose sum is σ = 153333331503336. Its totient is φ = 51111110501110.

The previous prime is 102222221002073. The next prime is 102222221002259. The reversal of 102222221002222 is 222200122222201.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 102222221002193 and 102222221002202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555555250554 + ... + 25555555250557.

It is an arithmetic number, because the mean of its divisors is an integer number (38333332875834).

Almost surely, 2^{102222221002222} is an apocalyptic number.

102222221002222 is a deficient number, since it is larger than the sum of its proper divisors (51111110501114).

102222221002222 is an equidigital number, since it uses as much as digits as its factorization.

102222221002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51111110501113.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 102222221002222 its reverse (222200122222201), we get a palindrome (324422343224423).

The spelling of 102222221002222 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-one million, two thousand, two hundred twenty-two".