122001000001211 has 16 divisors (see below), whose sum is σ = 126175526064000. Its totient is φ = 117888862440000.

The previous prime is 122001000001189. The next prime is 122001000001217. The reversal of 122001000001211 is 112100000100221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122001000001211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122001000001192 and 122001000001201.

It is not an unprimeable number, because it can be changed into a prime (122001000001217) 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, 31272761 + ... + 34956938.

It is an arithmetic number, because the mean of its divisors is an integer number (7885970379000).

Almost surely, 2^{122001000001211} is an apocalyptic number.

122001000001211 is a deficient number, since it is larger than the sum of its proper divisors (4174526062789).

122001000001211 is a wasteful number, since it uses less digits than its factorization.

122001000001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66230170.

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

Adding to 122001000001211 its reverse (112100000100221), we get a palindrome (234101000101432).

The spelling of 122001000001211 in words is "one hundred twenty-two trillion, one billion, one thousand, two hundred eleven".