102204244551550 has 24 divisors (see below), whose sum is σ = 190100626794576. Its totient is φ = 40881540416640.

The previous prime is 102204244551533. The next prime is 102204244551589. The reversal of 102204244551550 is 55155442402201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9645007 + ... + 17246293.

It is an arithmetic number, because the mean of its divisors is an integer number (7920859449774).

Almost surely, 2^{102204244551550} is an apocalyptic number.

102204244551550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102204244551550 is a deficient number, since it is larger than the sum of its proper divisors (87896382243026).

102204244551550 is a wasteful number, since it uses less digits than its factorization.

102204244551550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870212 (or 7870207 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 102204244551550 its reverse (55155442402201), we get a palindrome (157359686953751).

The spelling of 102204244551550 in words is "one hundred two trillion, two hundred four billion, two hundred forty-four million, five hundred fifty-one thousand, five hundred fifty".