102001001222 has 16 divisors (see below), whose sum is σ = 154203588000. Its totient is φ = 50600584320.

The previous prime is 102001001191. The next prime is 102001001227. The reversal of 102001001222 is 222100100201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68279 + ... + 456797.

It is an arithmetic number, because the mean of its divisors is an integer number (9637724250).

Almost surely, 2^102001001222 is an apocalyptic number.

102001001222 is a deficient number, since it is larger than the sum of its proper divisors (52202586778).

102001001222 is a wasteful number, since it uses less digits than its factorization.

102001001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389551.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102001001222 its reverse (222100100201), we get a palindrome (324101101423).

The spelling of 102001001222 in words is "one hundred two billion, one million, one thousand, two hundred twenty-two".