102221121211112 has 32 divisors (see below), whose sum is σ = 192831375129120. Its totient is φ = 50799737229120.

The previous prime is 102221121211091. The next prime is 102221121211117. The reversal of 102221121211112 is 211112121122201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102221121211117) 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, 17164718 + ... + 22339869.

It is an arithmetic number, because the mean of its divisors is an integer number (6025980472785).

Almost surely, 2^{102221121211112} is an apocalyptic number.

It is an amenable number.

102221121211112 is a deficient number, since it is larger than the sum of its proper divisors (90610253918008).

102221121211112 is a wasteful number, since it uses less digits than its factorization.

102221121211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39506561 (or 39506557 counting only the distinct ones).

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

Adding to 102221121211112 its reverse (211112121122201), we get a palindrome (313333242333313).

The spelling of 102221121211112 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twelve".