102110010210020 has 24 divisors (see below), whose sum is σ = 214650500521464. Its totient is φ = 40802198544896.

The previous prime is 102110010210011. The next prime is 102110010210037. The reversal of 102110010210020 is 20012010011201.

It can be written as a sum of positive squares in 4 ways, for example, as 17156478793444 + 84953531416576 = 4142038^2 + 9217024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102110010209983 and 102110010210010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612826167 + ... + 2612865246.

It is an arithmetic number, because the mean of its divisors is an integer number (8943770855061).

Almost surely, 2^{102110010210020} is an apocalyptic number.

102110010210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110010210020 is an abundant number, since it is smaller than the sum of its proper divisors (112540490311444).

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

102110010210020 is a wasteful number, since it uses less digits than its factorization.

102110010210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225692399 (or 5225692397 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102110010210020 its reverse (20012010011201), we get a palindrome (122122020221221).

The spelling of 102110010210020 in words is "one hundred two trillion, one hundred ten billion, ten million, two hundred ten thousand, twenty".