122120011011211 has 16 divisors (see below), whose sum is σ = 129683407613760. Its totient is φ = 114599315128320.

The previous prime is 122120011011181. The next prime is 122120011011221. The reversal of 122120011011211 is 112110110021221.

It is a cyclic number.

It is not a de Polignac number, because 122120011011211 - 2⁷ = 122120011011083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122120011011221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214585 + ... + 15629653.

It is an arithmetic number, because the mean of its divisors is an integer number (8105212975860).

Almost surely, 2^{122120011011211} is an apocalyptic number.

122120011011211 is a deficient number, since it is larger than the sum of its proper divisors (7563396602549).

122120011011211 is a wasteful number, since it uses less digits than its factorization.

122120011011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15416454.

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

Adding to 122120011011211 its reverse (112110110021221), we get a palindrome (234230121032432).

The spelling of 122120011011211 in words is "one hundred twenty-two trillion, one hundred twenty billion, eleven million, eleven thousand, two hundred eleven".