122000101012121 has 2 divisors, whose sum is σ = 122000101012122. Its totient is φ = 122000101012120.

The previous prime is 122000101012063. The next prime is 122000101012217. The reversal of 122000101012121 is 121210101000221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72314801523721 + 49685299488400 = 8503811^2 + 7048780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122000101012121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122000101012096 and 122000101012105.

It is not a weakly prime, because it can be changed into another prime (122000101012421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000050506060 + 61000050506061.

It is an arithmetic number, because the mean of its divisors is an integer number (61000050506061).

Almost surely, 2^{122000101012121} is an apocalyptic number.

It is an amenable number.

122000101012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000101012121 is an equidigital number, since it uses as much as digits as its factorization.

122000101012121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122000101012121 its reverse (121210101000221), we get a palindrome (243210202012342).

The spelling of 122000101012121 in words is "one hundred twenty-two trillion, one hundred one million, twelve thousand, one hundred twenty-one".