120212011120221 has 12 divisors (see below), whose sum is σ = 173639700660348. Its totient is φ = 80141281188864.

The previous prime is 120212011120163. The next prime is 120212011120237. The reversal of 120212011120221 is 122021110212021.

120212011120221 is a `hidden beast` number, since 1 + 202 + 120 + 1 + 1 + 120 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38539400576121 + 81672610544100 = 6208011^2 + 9037290^2 .

It is not a de Polignac number, because 120212011120221 - 2⁷ = 120212011120093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120212011120194 and 120212011120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212010120221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10285981 + ... + 18607133.

It is an arithmetic number, because the mean of its divisors is an integer number (14469975055029).

Almost surely, 2^{120212011120221} is an apocalyptic number.

It is an amenable number.

120212011120221 is a deficient number, since it is larger than the sum of its proper divisors (53427689540127).

120212011120221 is a wasteful number, since it uses less digits than its factorization.

120212011120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926332 (or 9926329 counting only the distinct ones).

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

Adding to 120212011120221 its reverse (122021110212021), we get a palindrome (242233121332242).

The spelling of 120212011120221 in words is "one hundred twenty trillion, two hundred twelve billion, eleven million, one hundred twenty thousand, two hundred twenty-one".