122102112211211 has 4 divisors (see below), whose sum is σ = 133202304230424. Its totient is φ = 111001920192000.

The previous prime is 122102112211199. The next prime is 122102112211237. The reversal of 122102112211211 is 112112211201221.

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 122102112211211 - 2⁴² = 117704065700107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122102112216211) 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, 5550096009590 + ... + 5550096009611.

It is an arithmetic number, because the mean of its divisors is an integer number (33300576057606).

Almost surely, 2^{122102112211211} is an apocalyptic number.

122102112211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122102112211211 is a deficient number, since it is larger than the sum of its proper divisors (11100192019213).

122102112211211 is a wasteful number, since it uses less digits than its factorization.

122102112211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100192019212.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 122102112211211 its reverse (112112211201221), we get a palindrome (234214323412432).

The spelling of 122102112211211 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twelve million, two hundred eleven thousand, two hundred eleven".