120101012220689 has 2 divisors, whose sum is σ = 120101012220690. Its totient is φ = 120101012220688.

The previous prime is 120101012220653. The next prime is 120101012220691. The reversal of 120101012220689 is 986022210101021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105495659547664 + 14605352673025 = 10271108^2 + 3821695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101012220689 is a prime.

Together with 120101012220691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120101012220089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050506110344 + 60050506110345.

It is an arithmetic number, because the mean of its divisors is an integer number (60050506110345).

Almost surely, 2^{120101012220689} is an apocalyptic number.

It is an amenable number.

120101012220689 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101012220689 is an equidigital number, since it uses as much as digits as its factorization.

120101012220689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 120101012220689 in words is "one hundred twenty trillion, one hundred one billion, twelve million, two hundred twenty thousand, six hundred eighty-nine".