102222221012 has 24 divisors (see below), whose sum is σ = 179937237480. Its totient is φ = 50811770880.

The previous prime is 102222220987. The next prime is 102222221021. The reversal of 102222221012 is 210122222201.

It is a happy number.

102222221012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28751950096 + 73470270916 = 169564^2 + 271054^2 .

It is a congruent 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, 2307164 + ... + 2351052.

It is an arithmetic number, because the mean of its divisors is an integer number (7497384895).

Almost surely, 2^102222221012 is an apocalyptic number.

It is an amenable number.

102222221012 is a deficient number, since it is larger than the sum of its proper divisors (77715016468).

102222221012 is a wasteful number, since it uses less digits than its factorization.

102222221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47291 (or 47289 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102222221012 its reverse (210122222201), we get a palindrome (312344443213).

The spelling of 102222221012 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, twelve".