120221102121002 has 8 divisors (see below), whose sum is σ = 180332273383236. Its totient is φ = 60110344326592.

The previous prime is 120221102120971. The next prime is 120221102121011. The reversal of 120221102121002 is 200121201122021.

It can be written as a sum of positive squares in 2 ways, for example, as 81417434431921 + 38803667689081 = 9023161^2 + 6229259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120221102121002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102639023 + ... + 103803714.

Almost surely, 2^{120221102121002} is an apocalyptic number.

120221102121002 is a deficient number, since it is larger than the sum of its proper divisors (60111171262234).

120221102121002 is a wasteful number, since it uses less digits than its factorization.

120221102121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206733912.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120221102121002 its reverse (200121201122021), we get a palindrome (320342303243023).

The spelling of 120221102121002 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty-one thousand, two".