102201220203 has 16 divisors (see below), whose sum is σ = 141981369600. Its totient is φ = 65311414560.

The previous prime is 102201220183. The next prime is 102201220243. The reversal of 102201220203 is 302022102201.

It is a happy number.

It is not a de Polignac number, because 102201220203 - 2⁵ = 102201220171 is a prime.

It is a super-2 number, since 2×102201220203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102201220243) 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 15 ways as a sum of consecutive naturals, for example, 4213543 + ... + 4237728.

It is an arithmetic number, because the mean of its divisors is an integer number (8873835600).

Almost surely, 2^102201220203 is an apocalyptic number.

102201220203 is a deficient number, since it is larger than the sum of its proper divisors (39780149397).

102201220203 is a wasteful number, since it uses less digits than its factorization.

102201220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451442.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 102201220203 its reverse (302022102201), we get a palindrome (404223322404).

The spelling of 102201220203 in words is "one hundred two billion, two hundred one million, two hundred twenty thousand, two hundred three".