122120011 has 8 divisors (see below), whose sum is σ = 138435920. Its totient is φ = 106792992.

The previous prime is 122119969. The next prime is 122120023. The reversal of 122120011 is 110021221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122120011 - 2⁷ = 122119883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122120011.

It is not an unprimeable number, because it can be changed into a prime (122120051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246960 + ... + 247453.

It is an arithmetic number, because the mean of its divisors is an integer number (17304490).

Almost surely, 2^122120011 is an apocalyptic number.

122120011 is a deficient number, since it is larger than the sum of its proper divisors (16315909).

122120011 is a wasteful number, since it uses less digits than its factorization.

122120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494445.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 122120011 is about 11050.7923245349. The cubic root of 122120011 is about 496.1301403110.

Adding to 122120011 its reverse (110021221), we get a palindrome (232141232).

The spelling of 122120011 in words is "one hundred twenty-two million, one hundred twenty thousand, eleven".