201210111102020 has 96 divisors (see below), whose sum is σ = 432053008224768. Its totient is φ = 78676464402432.

The previous prime is 201210111101981. The next prime is 201210111102043. The reversal of 201210111102020 is 20201111012102.

It is a junction number, because it is equal to n+sod(n) for n = 201210111101986 and 201210111102004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3341386952 + ... + 3341447168.

It is an arithmetic number, because the mean of its divisors is an integer number (4500552169008).

Almost surely, 2^{201210111102020} is an apocalyptic number.

201210111102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210111102020 is an abundant number, since it is smaller than the sum of its proper divisors (230842897122748).

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

201210111102020 is a wasteful number, since it uses less digits than its factorization.

201210111102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64509 (or 64507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201210111102020 its reverse (20201111012102), we get a palindrome (221411222114122).

The spelling of 201210111102020 in words is "two hundred one trillion, two hundred ten billion, one hundred eleven million, one hundred two thousand, twenty".