1012122210211 has 4 divisors (see below), whose sum is σ = 1156711097392. Its totient is φ = 867533323032.

The previous prime is 1012122210199. The next prime is 1012122210223. The reversal of 1012122210211 is 1120122212101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1012122210199) and next prime (1012122210223).

It is a cyclic number.

It is not a de Polignac number, because 1012122210211 - 2¹³ = 1012122202019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012122211211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72294443580 + ... + 72294443593.

It is an arithmetic number, because the mean of its divisors is an integer number (289177774348).

Almost surely, 2^{1012122210211} is an apocalyptic number.

1012122210211 is a deficient number, since it is larger than the sum of its proper divisors (144588887181).

1012122210211 is an equidigital number, since it uses as much as digits as its factorization.

1012122210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144588887180.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012122210211 its reverse (1120122212101), we get a palindrome (2132244422312).

The spelling of 1012122210211 in words is "one trillion, twelve billion, one hundred twenty-two million, two hundred ten thousand, two hundred eleven".