120221444351 has 2 divisors, whose sum is σ = 120221444352. Its totient is φ = 120221444350.

The previous prime is 120221444279. The next prime is 120221444359. The reversal of 120221444351 is 153444122021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120221444351 - 2¹⁰ = 120221443327 is a prime.

It is a super-2 number, since 2×120221444351² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120221444359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110722175 + 60110722176.

It is an arithmetic number, because the mean of its divisors is an integer number (60110722176).

Almost surely, 2^120221444351 is an apocalyptic number.

120221444351 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221444351 is an equidigital number, since it uses as much as digits as its factorization.

120221444351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 120221444351 its reverse (153444122021), we get a palindrome (273665566372).

The spelling of 120221444351 in words is "one hundred twenty billion, two hundred twenty-one million, four hundred forty-four thousand, three hundred fifty-one".