210043121010 has 32 divisors (see below), whose sum is σ = 507730144320. Its totient is φ = 55608537408.

The previous prime is 210043121009. The next prime is 210043121021. The reversal of 210043121010 is 10121340012.

It is a super-2 number, since 2×210043121010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25180857 + ... + 25189196.

It is an arithmetic number, because the mean of its divisors is an integer number (15866567010).

Almost surely, 2^210043121010 is an apocalyptic number.

210043121010 is an abundant number, since it is smaller than the sum of its proper divisors (297687023310).

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

210043121010 is a wasteful number, since it uses less digits than its factorization.

210043121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50370202.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210043121010 its reverse (10121340012), we get a palindrome (220164461022).

The spelling of 210043121010 in words is "two hundred ten billion, forty-three million, one hundred twenty-one thousand, ten".