121122112201501 has 2 divisors, whose sum is σ = 121122112201502. Its totient is φ = 121122112201500.

The previous prime is 121122112201471. The next prime is 121122112201529. The reversal of 121122112201501 is 105102211221121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64389807754276 + 56732304447225 = 8024326^2 + 7532085^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122112201501 - 2⁷ = 121122112201373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121122112202501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561056100750 + 60561056100751.

It is an arithmetic number, because the mean of its divisors is an integer number (60561056100751).

Almost surely, 2^{121122112201501} is an apocalyptic number.

It is an amenable number.

121122112201501 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122112201501 is an equidigital number, since it uses as much as digits as its factorization.

121122112201501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 121122112201501 its reverse (105102211221121), we get a palindrome (226224323422622).

The spelling of 121122112201501 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twelve million, two hundred one thousand, five hundred one".