120100111000221 has 16 divisors (see below), whose sum is σ = 178407901836288. Its totient is φ = 71239266356400.

The previous prime is 120100111000201. The next prime is 120100111000237. The reversal of 120100111000221 is 122000111001021.

It is not a de Polignac number, because 120100111000221 - 2¹¹ = 120100110998173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120100111000197 and 120100111000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100111000201) 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, 38716991035 + ... + 38716994136.

It is an arithmetic number, because the mean of its divisors is an integer number (11150493864768).

Almost surely, 2^{120100111000221} is an apocalyptic number.

120100111000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120100111000221 is a deficient number, since it is larger than the sum of its proper divisors (58307790836067).

120100111000221 is a wasteful number, since it uses less digits than its factorization.

120100111000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77433985232.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120100111000221 its reverse (122000111001021), we get a palindrome (242100222001242).

The spelling of 120100111000221 in words is "one hundred twenty trillion, one hundred billion, one hundred eleven million, two hundred twenty-one", and thus it is an aban number.