120101210105 has 8 divisors (see below), whose sum is σ = 152599184712. Its totient is φ = 90429146368.

The previous prime is 120101210083. The next prime is 120101210107. The reversal of 120101210105 is 501012101021.

It can be written as a sum of positive squares in 4 ways, for example, as 56205503929 + 63895706176 = 237077^2 + 252776^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120101210105 - 2⁶ = 120101210041 is a prime.

It is a super-2 number, since 2×120101210105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120101210105.

It is not an unprimeable number, because it can be changed into a prime (120101210107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706477622 + ... + 706477791.

It is an arithmetic number, because the mean of its divisors is an integer number (19074898089).

Almost surely, 2^120101210105 is an apocalyptic number.

It is an amenable number.

120101210105 is a deficient number, since it is larger than the sum of its proper divisors (32497974607).

120101210105 is a wasteful number, since it uses less digits than its factorization.

120101210105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412955435.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 120101210105 its reverse (501012101021), we get a palindrome (621113311126).

The spelling of 120101210105 in words is "one hundred twenty billion, one hundred one million, two hundred ten thousand, one hundred five".