102222121021012 has 12 divisors (see below), whose sum is σ = 178898904417856. Its totient is φ = 51108148330200.

The previous prime is 102222121020989. The next prime is 102222121021037. The reversal of 102222121021012 is 210120121222201.

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, 727966098 + ... + 728106505.

Almost surely, 2^{102222121021012} is an apocalyptic number.

It is an amenable number.

102222121021012 is a deficient number, since it is larger than the sum of its proper divisors (76676783396844).

102222121021012 is a wasteful number, since it uses less digits than its factorization.

102222121021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456090158 (or 1456090156 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102222121021012 its reverse (210120121222201), we get a palindrome (312342242243213).

The spelling of 102222121021012 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, twelve".