102201213444 has 48 divisors (see below), whose sum is σ = 260196572160. Its totient is φ = 30964347040.

The previous prime is 102201213431. The next prime is 102201213487. The reversal of 102201213444 is 444312102201.

102201213444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102201213444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675697 + ... + 812999.

It is an arithmetic number, because the mean of its divisors is an integer number (5420761920).

Almost surely, 2^102201213444 is an apocalyptic number.

It is an amenable number.

102201213444 is an abundant number, since it is smaller than the sum of its proper divisors (157995358716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102201213444 is a wasteful number, since it uses less digits than its factorization.

102201213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142960 (or 142958 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102201213444 its reverse (444312102201), we get a palindrome (546513315645).

The spelling of 102201213444 in words is "one hundred two billion, two hundred one million, two hundred thirteen thousand, four hundred forty-four".