210102012110020 has 24 divisors (see below), whose sum is σ = 460397452624704. Its totient is φ = 80386856807136.

The previous prime is 210102012109981. The next prime is 210102012110083. The reversal of 210102012110020 is 20011210201012.

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, 228371751834 + ... + 228371752753.

It is an arithmetic number, because the mean of its divisors is an integer number (19183227192696).

Almost surely, 2^{210102012110020} is an apocalyptic number.

210102012110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102012110020 is an abundant number, since it is smaller than the sum of its proper divisors (250295440514684).

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

210102012110020 is a wasteful number, since it uses less digits than its factorization.

210102012110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456743504619 (or 456743504617 counting only the distinct ones).

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

Adding to 210102012110020 its reverse (20011210201012), we get a palindrome (230113222311032).

The spelling of 210102012110020 in words is "two hundred ten trillion, one hundred two billion, twelve million, one hundred ten thousand, twenty".