120221212012101 has 24 divisors (see below), whose sum is σ = 179440330823520. Its totient is φ = 77502913628256.

The previous prime is 120221212012073. The next prime is 120221212012103. The reversal of 120221212012101 is 101210212122021.

120221212012101 is a `hidden beast` number, since 1 + 20 + 221 + 212 + 0 + 1 + 210 + 1 = 666.

It is not a de Polignac number, because 120221212012101 - 2¹³ = 120221212003909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221212012103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1107383331 + ... + 1107491888.

It is an arithmetic number, because the mean of its divisors is an integer number (7476680450980).

Almost surely, 2^{120221212012101} is an apocalyptic number.

It is an amenable number.

120221212012101 is a deficient number, since it is larger than the sum of its proper divisors (59219118811419).

120221212012101 is a wasteful number, since it uses less digits than its factorization.

120221212012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214875425 (or 2214875422 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120221212012101 its reverse (101210212122021), we get a palindrome (221431424134122).

The spelling of 120221212012101 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, twelve thousand, one hundred one".