102221212203 has 12 divisors (see below), whose sum is σ = 161075849688. Its totient is φ = 61952249760.

The previous prime is 102221212187. The next prime is 102221212297. The reversal of 102221212203 is 302212122201.

It is not a de Polignac number, because 102221212203 - 2⁴ = 102221212187 is a prime.

It is a super-2 number, since 2×102221212203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102221212003) 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 11 ways as a sum of consecutive naturals, for example, 516268650 + ... + 516268847.

It is an arithmetic number, because the mean of its divisors is an integer number (13422987474).

Almost surely, 2^102221212203 is an apocalyptic number.

102221212203 is a deficient number, since it is larger than the sum of its proper divisors (58854637485).

102221212203 is a wasteful number, since it uses less digits than its factorization.

102221212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032537514 (or 1032537511 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102221212203 its reverse (302212122201), we get a palindrome (404433334404).

The spelling of 102221212203 in words is "one hundred two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred three".