120001222202101 has 4 divisors (see below), whose sum is σ = 127060117625772. Its totient is φ = 112942326778432.

The previous prime is 120001222202083. The next prime is 120001222202111. The reversal of 120001222202101 is 101202222100021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83536218234225 + 36465003967876 = 9139815^2 + 6038626^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001222202101 - 2¹¹ = 120001222200053 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 (120001222202111) 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, 3529447711810 + ... + 3529447711843.

It is an arithmetic number, because the mean of its divisors is an integer number (31765029406443).

Almost surely, 2^{120001222202101} is an apocalyptic number.

It is an amenable number.

120001222202101 is a deficient number, since it is larger than the sum of its proper divisors (7058895423671).

120001222202101 is an equidigital number, since it uses as much as digits as its factorization.

120001222202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058895423670.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120001222202101 its reverse (101202222100021), we get a palindrome (221203444302122).

The spelling of 120001222202101 in words is "one hundred twenty trillion, one billion, two hundred twenty-two million, two hundred two thousand, one hundred one".