120000211220221 has 8 divisors (see below), whose sum is σ = 123872055759104. Its totient is φ = 116128421055360.

The previous prime is 120000211220177. The next prime is 120000211220243. The reversal of 120000211220221 is 122022112000021.

It is a happy number.

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

It is not a de Polignac number, because 120000211220221 - 2¹⁹ = 120000210695933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000211220195 and 120000211220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000212220221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9084675 + ... + 17959168.

It is an arithmetic number, because the mean of its divisors is an integer number (15484006969888).

Almost surely, 2^{120000211220221} is an apocalyptic number.

It is an amenable number.

120000211220221 is a deficient number, since it is larger than the sum of its proper divisors (3871844538883).

120000211220221 is a wasteful number, since it uses less digits than its factorization.

120000211220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27187011.

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

Adding to 120000211220221 its reverse (122022112000021), we get a palindrome (242022323220242).

It can be divided in two parts, 12000021 and 1220221, that multiplied together give a palindrome (14642677624641).

The spelling of 120000211220221 in words is "one hundred twenty trillion, two hundred eleven million, two hundred twenty thousand, two hundred twenty-one".