102122111221012 has 12 divisors (see below), whose sum is σ = 179200652935360. Its totient is φ = 50921924668056.

The previous prime is 102122111220977. The next prime is 102122111221087. The reversal of 102122111221012 is 210122111221201.

It is a happy number.

It is a congruent number.

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, 34782733962 + ... + 34782736897.

Almost surely, 2^{102122111221012} is an apocalyptic number.

It is an amenable number.

102122111221012 is a deficient number, since it is larger than the sum of its proper divisors (77078541714348).

102122111221012 is a wasteful number, since it uses less digits than its factorization.

102122111221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69565471230 (or 69565471228 counting only the distinct ones).

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

Adding to 102122111221012 its reverse (210122111221201), we get a palindrome (312244222442213).

The spelling of 102122111221012 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, twelve".