102112111221122 has 8 divisors (see below), whose sum is σ = 159827652346176. Its totient is φ = 48836227105732.

The previous prime is 102112111221091. The next prime is 102112111221139. The reversal of 102112111221122 is 221122111211201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102112111221094 and 102112111221103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109914252358 + ... + 1109914252449.

It is an arithmetic number, because the mean of its divisors is an integer number (19978456543272).

Almost surely, 2^{102112111221122} is an apocalyptic number.

102112111221122 is a deficient number, since it is larger than the sum of its proper divisors (57715541125054).

102112111221122 is a wasteful number, since it uses less digits than its factorization.

102112111221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219828504832.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 102112111221122 its reverse (221122111211201), we get a palindrome (323234222432323).

The spelling of 102112111221122 in words is "one hundred two trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".