102010211222220 has 288 divisors, whose sum is σ = 380904717473280. Its totient is φ = 21575721323520.

The previous prime is 102010211222197. The next prime is 102010211222281. The reversal of 102010211222220 is 22222112010201.

It is a happy number.

102010211222220 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 10 + 211 + 222 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102010211222193 and 102010211222202.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 48518001 + ... + 50576840.

It is an arithmetic number, because the mean of its divisors is an integer number (1322585824560).

Almost surely, 2^{102010211222220} is an apocalyptic number.

102010211222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010211222220 is an abundant number, since it is smaller than the sum of its proper divisors (278894506251060).

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

102010211222220 is a wasteful number, since it uses less digits than its factorization.

102010211222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99094925 (or 99094920 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102010211222220 its reverse (22222112010201), we get a palindrome (124232323232421).

The spelling of 102010211222220 in words is "one hundred two trillion, ten billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty".