120221101210019 has 4 divisors (see below), whose sum is σ = 120274132134744. Its totient is φ = 120168070285296.

The previous prime is 120221101209991. The next prime is 120221101210061. The reversal of 120221101210019 is 910012101122021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120221101210019 is a prime.

It is a super-2 number, since 2×120221101210019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120221101209976 and 120221101210003.

It is not an unprimeable number, because it can be changed into a prime (120221101210079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26515458962 + ... + 26515463495.

It is an arithmetic number, because the mean of its divisors is an integer number (30068533033686).

Almost surely, 2^{120221101210019} is an apocalyptic number.

120221101210019 is a deficient number, since it is larger than the sum of its proper divisors (53030924725).

120221101210019 is an equidigital number, since it uses as much as digits as its factorization.

120221101210019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53030924724.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 120221101210019 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred one million, two hundred ten thousand, nineteen".