2002122122149 has 2 divisors, whose sum is σ = 2002122122150. Its totient is φ = 2002122122148.

The previous prime is 2002122122107. The next prime is 2002122122167. The reversal of 2002122122149 is 9412212212002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1628303602500 + 373818519649 = 1276050^2 + 611407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002122122149 - 2²³ = 2002113733541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002122126149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001061061074 + 1001061061075.

It is an arithmetic number, because the mean of its divisors is an integer number (1001061061075).

Almost surely, 2^{2002122122149} is an apocalyptic number.

It is an amenable number.

2002122122149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002122122149 is an equidigital number, since it uses as much as digits as its factorization.

2002122122149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 2002122122149 in words is "two trillion, two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred forty-nine".