102010012011220 has 12 divisors (see below), whose sum is σ = 214221025223604. Its totient is φ = 40804004804480.

The previous prime is 102010012011217. The next prime is 102010012011221. The reversal of 102010012011220 is 22110210010201.

It can be written as a sum of positive squares in 2 ways, for example, as 62473658624784 + 39536353386436 = 7904028^2 + 6287794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102010012011220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010012011221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2550250300261 + ... + 2550250300300.

It is an arithmetic number, because the mean of its divisors is an integer number (17851752101967).

Almost surely, 2^{102010012011220} is an apocalyptic number.

102010012011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010012011220 is an abundant number, since it is smaller than the sum of its proper divisors (112211013212384).

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

102010012011220 is a wasteful number, since it uses less digits than its factorization.

102010012011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100500600570 (or 5100500600568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102010012011220 its reverse (22110210010201), we get a palindrome (124120222021421).

The spelling of 102010012011220 in words is "one hundred two trillion, ten billion, twelve million, eleven thousand, two hundred twenty".