102100201222 has 4 divisors (see below), whose sum is σ = 153150301836. Its totient is φ = 51050100610.

The previous prime is 102100201193. The next prime is 102100201243. The reversal of 102100201222 is 222102001201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525050304 + ... + 25525050307.

It is an arithmetic number, because the mean of its divisors is an integer number (38287575459).

Almost surely, 2^102100201222 is an apocalyptic number.

102100201222 is a deficient number, since it is larger than the sum of its proper divisors (51050100614).

102100201222 is an equidigital number, since it uses as much as digits as its factorization.

102100201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050100613.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102100201222 its reverse (222102001201), we get a palindrome (324202202423).

The spelling of 102100201222 in words is "one hundred two billion, one hundred million, two hundred one thousand, two hundred twenty-two".