220211102121121 has 8 divisors (see below), whose sum is σ = 227316305325824. Its totient is φ = 213106000120560.

The previous prime is 220211102121113. The next prime is 220211102121151. The reversal of 220211102121121 is 121121201112022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220211102121121 - 2³ = 220211102121113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211102121151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20866671 + ... + 29594596.

It is an arithmetic number, because the mean of its divisors is an integer number (28414538165728).

Almost surely, 2^{220211102121121} is an apocalyptic number.

It is an amenable number.

220211102121121 is a deficient number, since it is larger than the sum of its proper divisors (7105203204703).

220211102121121 is a wasteful number, since it uses less digits than its factorization.

220211102121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50602071.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220211102121121 its reverse (121121201112022), we get a palindrome (341332303233143).

The spelling of 220211102121121 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty-one".