220100001201121 has 16 divisors (see below), whose sum is σ = 225552488813568. Its totient is φ = 214730816540800.

The previous prime is 220100001201029. The next prime is 220100001201139. The reversal of 220100001201121 is 121102100001022.

It is a cyclic number.

It is not a de Polignac number, because 220100001201121 - 2⁷ = 220100001200993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220100001301121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48498970 + ... + 52842691.

It is an arithmetic number, because the mean of its divisors is an integer number (14097030550848).

Almost surely, 2^{220100001201121} is an apocalyptic number.

It is an amenable number.

220100001201121 is a deficient number, since it is larger than the sum of its proper divisors (5452487612447).

220100001201121 is a wasteful number, since it uses less digits than its factorization.

220100001201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101342072.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220100001201121 its reverse (121102100001022), we get a palindrome (341202101202143).

The spelling of 220100001201121 in words is "two hundred twenty trillion, one hundred billion, one million, two hundred one thousand, one hundred twenty-one".