10211121210 has 64 divisors (see below), whose sum is σ = 24790230144. Its totient is φ = 2691552000.

The previous prime is 10211121187. The next prime is 10211121259. The reversal of 10211121210 is 1212111201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2091292 + ... + 2096168.

It is an arithmetic number, because the mean of its divisors is an integer number (387347346).

Almost surely, 2^10211121210 is an apocalyptic number.

10211121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211121210 is an abundant number, since it is smaller than the sum of its proper divisors (14579108934).

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

10211121210 is a wasteful number, since it uses less digits than its factorization.

10211121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10211121210 its reverse (1212111201), we get a palindrome (11423232411).

It can be divided in two parts, 102111 and 21210, that added together give a palindrome (123321).

The spelling of 10211121210 in words is "ten billion, two hundred eleven million, one hundred twenty-one thousand, two hundred ten".