120110101221 has 16 divisors (see below), whose sum is σ = 175751751168. Its totient is φ = 72358105200.

The previous prime is 120110101219. The next prime is 120110101229. The reversal of 120110101221 is 122101011021.

It is not a de Polignac number, because 120110101221 - 2¹ = 120110101219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120110101197 and 120110101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110101229) 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, 10891795 + ... + 10902816.

It is an arithmetic number, because the mean of its divisors is an integer number (10984484448).

Almost surely, 2^120110101221 is an apocalyptic number.

120110101221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120110101221 is a deficient number, since it is larger than the sum of its proper divisors (55641649947).

120110101221 is a wasteful number, since it uses less digits than its factorization.

120110101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21794792.

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

Adding to 120110101221 its reverse (122101011021), we get a palindrome (242211112242).

The spelling of 120110101221 in words is "one hundred twenty billion, one hundred ten million, one hundred one thousand, two hundred twenty-one".