220211202011121 has 24 divisors (see below), whose sum is σ = 318203331817280. Its totient is φ = 146751869861856.

The previous prime is 220211202011113. The next prime is 220211202011123. The reversal of 220211202011121 is 121110202112022.

220211202011121 is a `hidden beast` number, since 220 + 2 + 1 + 120 + 201 + 1 + 121 = 666.

It is not a de Polignac number, because 220211202011121 - 2³ = 220211202011113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220211202011094 and 220211202011103.

It is not an unprimeable number, because it can be changed into a prime (220211202011123) 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, 265527726 + ... + 266355768.

Almost surely, 2^{220211202011121} is an apocalyptic number.

It is an amenable number.

220211202011121 is a deficient number, since it is larger than the sum of its proper divisors (97992129806159).

220211202011121 is a wasteful number, since it uses less digits than its factorization.

220211202011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839205 (or 839202 counting only the distinct ones).

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

Adding to 220211202011121 its reverse (121110202112022), we get a palindrome (341321404123143).

The spelling of 220211202011121 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred two million, eleven thousand, one hundred twenty-one".