10001221012210 has 32 divisors (see below), whose sum is σ = 18833643424512. Its totient is φ = 3819874753920.

The previous prime is 10001221012201. The next prime is 10001221012231. The reversal of 10001221012210 is 1221012210001.

10001221012210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 259483092 + ... + 259521631.

It is an arithmetic number, because the mean of its divisors is an integer number (588551357016).

Almost surely, 2^{10001221012210} is an apocalyptic number.

10001221012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001221012210 is a deficient number, since it is larger than the sum of its proper divisors (8832422412302).

10001221012210 is a wasteful number, since it uses less digits than its factorization.

10001221012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519004818.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10001221012210 its reverse (1221012210001), we get a palindrome (11222233222211).

The spelling of 10001221012210 in words is "ten trillion, one billion, two hundred twenty-one million, twelve thousand, two hundred ten".