210101120200 has 48 divisors (see below), whose sum is σ = 498878426880. Its totient is φ = 82252349760.

The previous prime is 210101120147. The next prime is 210101120213. The reversal of 210101120200 is 2021101012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11166192 + ... + 11184991.

It is an arithmetic number, because the mean of its divisors is an integer number (10393300560).

Almost surely, 2^210101120200 is an apocalyptic number.

210101120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210101120200 is an abundant number, since it is smaller than the sum of its proper divisors (288777306680).

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

210101120200 is a wasteful number, since it uses less digits than its factorization.

210101120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351246 (or 22351237 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210101120200 its reverse (2021101012), we get a palindrome (212122221212).

The spelling of 210101120200 in words is "two hundred ten billion, one hundred one million, one hundred twenty thousand, two hundred".