122001201011 has 4 divisors (see below), whose sum is σ = 122001978024. Its totient is φ = 122000424000.

The previous prime is 122001200999. The next prime is 122001201037. The reversal of 122001201011 is 110102100221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110102100221 = 83609 ⋅1316869.

It is a cyclic number.

It is not a de Polignac number, because 122001201011 - 2²² = 121997006707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122001200983 and 122001201001.

It is not an unprimeable number, because it can be changed into a prime (122001201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60905 + ... + 497706.

It is an arithmetic number, because the mean of its divisors is an integer number (30500494506).

Almost surely, 2^122001201011 is an apocalyptic number.

122001201011 is a deficient number, since it is larger than the sum of its proper divisors (777013).

122001201011 is an equidigital number, since it uses as much as digits as its factorization.

122001201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777012.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122001201011 its reverse (110102100221), we get a palindrome (232103301232).

The spelling of 122001201011 in words is "one hundred twenty-two billion, one million, two hundred one thousand, eleven".