120221210122101 has 24 divisors (see below), whose sum is σ = 190694048750400. Its totient is φ = 72378814032000.

The previous prime is 120221210122093. The next prime is 120221210122127. The reversal of 120221210122101 is 101221012122021.

120221210122101 is a `hidden beast` number, since 1 + 20 + 221 + 210 + 1 + 2 + 210 + 1 = 666.

It is not a de Polignac number, because 120221210122101 - 2³ = 120221210122093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221210122501) 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, 4021030276 + ... + 4021060173.

It is an arithmetic number, because the mean of its divisors is an integer number (7945585364600).

Almost surely, 2^{120221210122101} is an apocalyptic number.

120221210122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120221210122101 is a deficient number, since it is larger than the sum of its proper divisors (70472838628299).

120221210122101 is a wasteful number, since it uses less digits than its factorization.

120221210122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042090617 (or 8042090614 counting only the distinct ones).

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

Adding to 120221210122101 its reverse (101221012122021), we get a palindrome (221442222244122).

The spelling of 120221210122101 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred one".