121120110220101 has 16 divisors (see below), whose sum is σ = 161684610326400. Its totient is φ = 80651177248320.

The previous prime is 121120110220069. The next prime is 121120110220103. The reversal of 121120110220101 is 101022011021121.

It is a happy number.

It is not a de Polignac number, because 121120110220101 - 2⁵ = 121120110220069 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 (121120110220103) 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, 292028011 + ... + 292442471.

It is an arithmetic number, because the mean of its divisors is an integer number (10105288145400).

Almost surely, 2^{121120110220101} is an apocalyptic number.

It is an amenable number.

121120110220101 is a deficient number, since it is larger than the sum of its proper divisors (40564500106299).

121120110220101 is a wasteful number, since it uses less digits than its factorization.

121120110220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529516.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121120110220101 its reverse (101022011021121), we get a palindrome (222142121241222).

The spelling of 121120110220101 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, two hundred twenty thousand, one hundred one".