122212201011211 has 4 divisors (see below), whose sum is σ = 122410275891912. Its totient is φ = 122014126130512.

The previous prime is 122212201011191. The next prime is 122212201011221. The reversal of 122212201011211 is 112110102212221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122212201011211 - 2⁹ = 122212201010699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212201011221) 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, 99037439425 + ... + 99037440658.

It is an arithmetic number, because the mean of its divisors is an integer number (30602568972978).

Almost surely, 2^{122212201011211} is an apocalyptic number.

122212201011211 is a deficient number, since it is larger than the sum of its proper divisors (198074880701).

122212201011211 is an equidigital number, since it uses as much as digits as its factorization.

122212201011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198074880700.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122212201011211 its reverse (112110102212221), we get a palindrome (234322303223432).

The spelling of 122212201011211 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred one million, eleven thousand, two hundred eleven".