102222121111012 has 24 divisors (see below), whose sum is σ = 204735888826560. Its totient is φ = 43746984775200.

The previous prime is 102222121111003. The next prime is 102222121111057. The reversal of 102222121111012 is 210111121222201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603967562 + ... + 2604006817.

It is an arithmetic number, because the mean of its divisors is an integer number (8530662034440).

Almost surely, 2^{102222121111012} is an apocalyptic number.

It is an amenable number.

102222121111012 is an abundant number, since it is smaller than the sum of its proper divisors (102513767715548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102222121111012 is a wasteful number, since it uses less digits than its factorization.

102222121111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207975091 (or 5207975089 counting only the distinct ones).

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

Adding to 102222121111012 its reverse (210111121222201), we get a palindrome (312333242333213).

The spelling of 102222121111012 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, twelve".