120222011999 has 4 divisors (see below), whose sum is σ = 120225626064. Its totient is φ = 120218397936.

The previous prime is 120222011993. The next prime is 120222012011. The reversal of 120222011999 is 999110222021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999110222021 = 537793 ⋅1857797.

It is a cyclic number.

It is not a de Polignac number, because 120222011999 - 2⁴ = 120222011983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222011993) 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, 1756667 + ... + 1823820.

It is an arithmetic number, because the mean of its divisors is an integer number (30056406516).

Almost surely, 2^120222011999 is an apocalyptic number.

120222011999 is a deficient number, since it is larger than the sum of its proper divisors (3614065).

120222011999 is an equidigital number, since it uses as much as digits as its factorization.

120222011999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614064.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 120222011999 in words is "one hundred twenty billion, two hundred twenty-two million, eleven thousand, nine hundred ninety-nine".