102112121101222 has 16 divisors (see below), whose sum is σ = 158710266012672. Its totient is φ = 49221223581960.

The previous prime is 102112121101219. The next prime is 102112121101223. The reversal of 102112121101222 is 222101121211201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102112121101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112121101223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131104788 + ... + 3131137399.

It is an arithmetic number, because the mean of its divisors is an integer number (9919391625792).

Almost surely, 2^{102112121101222} is an apocalyptic number.

102112121101222 is a deficient number, since it is larger than the sum of its proper divisors (56598144911450).

102112121101222 is a wasteful number, since it uses less digits than its factorization.

102112121101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262242483.

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

Adding to 102112121101222 its reverse (222101121211201), we get a palindrome (324213242312423).

The spelling of 102112121101222 in words is "one hundred two trillion, one hundred twelve billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty-two".