120101221110101 has 16 divisors (see below), whose sum is σ = 149739333575040. Its totient is φ = 93583650713280.

The previous prime is 120101221110053. The next prime is 120101221110131. The reversal of 120101221110101 is 101011122101021.

It is not a de Polignac number, because 120101221110101 - 2⁶ = 120101221110037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101221110131) 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, 10069466 + ... + 18482331.

It is an arithmetic number, because the mean of its divisors is an integer number (9358708348440).

Almost surely, 2^{120101221110101} is an apocalyptic number.

120101221110101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120101221110101 is a deficient number, since it is larger than the sum of its proper divisors (29638112464939).

120101221110101 is a wasteful number, since it uses less digits than its factorization.

120101221110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28606444.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120101221110101 its reverse (101011122101021), we get a palindrome (221112343211122).

The spelling of 120101221110101 in words is "one hundred twenty trillion, one hundred one billion, two hundred twenty-one million, one hundred ten thousand, one hundred one".