102010202011220 has 12 divisors (see below), whose sum is σ = 214221424223604. Its totient is φ = 40804080804480.

The previous prime is 102010202011189. The next prime is 102010202011279. The reversal of 102010202011220 is 22110202010201.

It can be written as a sum of positive squares in 2 ways, for example, as 26040221173444 + 75969980837776 = 5102962^2 + 8716076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102010202011195 and 102010202011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550255050261 + ... + 2550255050300.

It is an arithmetic number, because the mean of its divisors is an integer number (17851785351967).

Almost surely, 2^{102010202011220} is an apocalyptic number.

102010202011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010202011220 is an abundant number, since it is smaller than the sum of its proper divisors (112211222212384).

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

102010202011220 is a wasteful number, since it uses less digits than its factorization.

102010202011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100510100570 (or 5100510100568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102010202011220 its reverse (22110202010201), we get a palindrome (124120404021421).

The spelling of 102010202011220 in words is "one hundred two trillion, ten billion, two hundred two million, eleven thousand, two hundred twenty".