122210011211 has 4 divisors (see below), whose sum is σ = 123420011424. Its totient is φ = 121000011000.

The previous prime is 122210011163. The next prime is 122210011223. The reversal of 122210011211 is 112110012221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122210011211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122210001211) 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, 604999955 + ... + 605000156.

It is an arithmetic number, because the mean of its divisors is an integer number (30855002856).

Almost surely, 2^122210011211 is an apocalyptic number.

122210011211 is a deficient number, since it is larger than the sum of its proper divisors (1210000213).

122210011211 is a wasteful number, since it uses less digits than its factorization.

122210011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210000212.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122210011211 its reverse (112110012221), we get a palindrome (234320023432).

The spelling of 122210011211 in words is "one hundred twenty-two billion, two hundred ten million, eleven thousand, two hundred eleven".