1220102199971 has 2 divisors, whose sum is σ = 1220102199972. Its totient is φ = 1220102199970.

The previous prime is 1220102199961. The next prime is 1220102200013. The reversal of 1220102199971 is 1799912010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220102199971 - 2⁶ = 1220102199907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220102199941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051099985 + 610051099986.

It is an arithmetic number, because the mean of its divisors is an integer number (610051099986).

Almost surely, 2^{1220102199971} is an apocalyptic number.

1220102199971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220102199971 is an equidigital number, since it uses as much as digits as its factorization.

1220102199971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 1220102199971 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred ninety-nine thousand, nine hundred seventy-one".