102002012221112 has 16 divisors (see below), whose sum is σ = 191275548495840. Its totient is φ = 50995199288896.

The previous prime is 102002012221091. The next prime is 102002012221117. The reversal of 102002012221112 is 211122210200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002012221117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725778053 + ... + 725918580.

It is an arithmetic number, because the mean of its divisors is an integer number (11954721780990).

Almost surely, 2^{102002012221112} is an apocalyptic number.

It is an amenable number.

102002012221112 is a deficient number, since it is larger than the sum of its proper divisors (89273536274728).

102002012221112 is a wasteful number, since it uses less digits than its factorization.

102002012221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451705422 (or 1451705418 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102002012221112 its reverse (211122210200201), we get a palindrome (313124222421313).

The spelling of 102002012221112 in words is "one hundred two trillion, two billion, twelve million, two hundred twenty-one thousand, one hundred twelve".