213121041010 has 32 divisors (see below), whose sum is σ = 387393026112. Its totient is φ = 84410276160.

The previous prime is 213121040989. The next prime is 213121041097. The reversal of 213121041010 is 10140121312.

It is a super-2 number, since 2×213121041010² (a number of 23 digits) contains 22 as substring.

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, 2181000 + ... + 2276620.

It is an arithmetic number, because the mean of its divisors is an integer number (12106032066).

Almost surely, 2^213121041010 is an apocalyptic number.

213121041010 is a deficient number, since it is larger than the sum of its proper divisors (174271985102).

213121041010 is a wasteful number, since it uses less digits than its factorization.

213121041010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97818.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213121041010 its reverse (10140121312), we get a palindrome (223261162322).

The spelling of 213121041010 in words is "two hundred thirteen billion, one hundred twenty-one million, forty-one thousand, ten".