122121122010149 has 2 divisors, whose sum is σ = 122121122010150. Its totient is φ = 122121122010148.

The previous prime is 122121122010119. The next prime is 122121122010157. The reversal of 122121122010149 is 941010221121221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86755383462049 + 35365738548100 = 9314257^2 + 5946910^2 .

It is a cyclic number.

It is not a de Polignac number, because 122121122010149 - 2²⁸ = 122120853574693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122121122010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060561005074 + 61060561005075.

It is an arithmetic number, because the mean of its divisors is an integer number (61060561005075).

Almost surely, 2^{122121122010149} is an apocalyptic number.

It is an amenable number.

122121122010149 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121122010149 is an equidigital number, since it uses as much as digits as its factorization.

122121122010149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 122121122010149 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, ten thousand, one hundred forty-nine".