102112101112222 has 4 divisors (see below), whose sum is σ = 153168151668336. Its totient is φ = 51056050556110.

The previous prime is 102112101112213. The next prime is 102112101112339. The reversal of 102112101112222 is 222211101211201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102112101112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25528025278054 + ... + 25528025278057.

It is an arithmetic number, because the mean of its divisors is an integer number (38292037917084).

Almost surely, 2^{102112101112222} is an apocalyptic number.

102112101112222 is a deficient number, since it is larger than the sum of its proper divisors (51056050556114).

102112101112222 is an equidigital number, since it uses as much as digits as its factorization.

102112101112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51056050556113.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102112101112222 its reverse (222211101211201), we get a palindrome (324323202323423).

The spelling of 102112101112222 in words is "one hundred two trillion, one hundred twelve billion, one hundred one million, one hundred twelve thousand, two hundred twenty-two".