122211000121 has 8 divisors (see below), whose sum is σ = 139727046080. Its totient is φ = 104709287088.

The previous prime is 122211000101. The next prime is 122211000139. The reversal of 122211000121 is 121000112221.

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

It is not a de Polignac number, because 122211000121 - 2⁷ = 122210999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122211000101) 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 7 ways as a sum of consecutive naturals, for example, 3564951 + ... + 3599068.

It is an arithmetic number, because the mean of its divisors is an integer number (17465880760).

Almost surely, 2^122211000121 is an apocalyptic number.

It is an amenable number.

122211000121 is a deficient number, since it is larger than the sum of its proper divisors (17516045959).

122211000121 is an equidigital number, since it uses as much as digits as its factorization.

122211000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166463.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122211000121 its reverse (121000112221), we get a palindrome (243211112342).

The spelling of 122211000121 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty-one", and thus it is an aban number.