10202220211211 has 12 divisors (see below), whose sum is σ = 12250723942080. Its totient is φ = 8462671141680.

The previous prime is 10202220211201. The next prime is 10202220211213. The reversal of 10202220211211 is 11211202220201.

It is not a de Polignac number, because 10202220211211 - 2¹⁸ = 10202219949067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10202220211211.

It is not an unprimeable number, because it can be changed into a prime (10202220211213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3358201316 + ... + 3358204353.

It is an arithmetic number, because the mean of its divisors is an integer number (1020893661840).

Almost surely, 2^{10202220211211} is an apocalyptic number.

10202220211211 is a deficient number, since it is larger than the sum of its proper divisors (2048503730869).

10202220211211 is an equidigital number, since it uses as much as digits as its factorization.

10202220211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716405714 (or 6716405707 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10202220211211 its reverse (11211202220201), we get a palindrome (21413422431412).

The spelling of 10202220211211 in words is "ten trillion, two hundred two billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".