120100200000901 has 2 divisors, whose sum is σ = 120100200000902. Its totient is φ = 120100200000900.

The previous prime is 120100200000839. The next prime is 120100200001039. The reversal of 120100200000901 is 109000002001021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118476802937025 + 1623397063876 = 10884705^2 + 1274126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120100200000901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120100200000301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050100000450 + 60050100000451.

It is an arithmetic number, because the mean of its divisors is an integer number (60050100000451).

Almost surely, 2^{120100200000901} is an apocalyptic number.

It is an amenable number.

120100200000901 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100200000901 is an equidigital number, since it uses as much as digits as its factorization.

120100200000901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 120100200000901 its reverse (109000002001021), we get a palindrome (229100202001922).

The spelling of 120100200000901 in words is "one hundred twenty trillion, one hundred billion, two hundred million, nine hundred one", and thus it is an aban number.