102213220054550 has 96 divisors (see below), whose sum is σ = 229147733320704. Its totient is φ = 33461105216000.

The previous prime is 102213220054487. The next prime is 102213220054579. The reversal of 102213220054550 is 55450022312201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237434846 + ... + 237864945.

It is an arithmetic number, because the mean of its divisors is an integer number (2386955555424).

Almost surely, 2^{102213220054550} is an apocalyptic number.

102213220054550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102213220054550 is an abundant number, since it is smaller than the sum of its proper divisors (126934513266154).

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

102213220054550 is a wasteful number, since it uses less digits than its factorization.

102213220054550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475299854 (or 475299849 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 102213220054550 its reverse (55450022312201), we get a palindrome (157663242366751).

The spelling of 102213220054550 in words is "one hundred two trillion, two hundred thirteen billion, two hundred twenty million, fifty-four thousand, five hundred fifty".