120221010020221 has 16 divisors (see below), whose sum is σ = 134857271571840. Its totient is φ = 106209721212480.

The previous prime is 120221010020201. The next prime is 120221010020239. The reversal of 120221010020221 is 122020010122021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120221010020221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120221010020195 and 120221010020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221010020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177819001 + ... + 178493806.

It is an arithmetic number, because the mean of its divisors is an integer number (8428579473240).

Almost surely, 2^{120221010020221} is an apocalyptic number.

120221010020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120221010020221 is a deficient number, since it is larger than the sum of its proper divisors (14636261551619).

120221010020221 is a wasteful number, since it uses less digits than its factorization.

120221010020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356313684.

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

Adding to 120221010020221 its reverse (122020010122021), we get a palindrome (242241020142242).

The spelling of 120221010020221 in words is "one hundred twenty trillion, two hundred twenty-one billion, ten million, twenty thousand, two hundred twenty-one".