220100121120211 has 4 divisors (see below), whose sum is σ = 220242212872000. Its totient is φ = 219958029368424.

The previous prime is 220100121120167. The next prime is 220100121120223. The reversal of 220100121120211 is 112021121001022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220100121120211 - 2¹⁷ = 220100120989139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220100121120611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71045873571 + ... + 71045876668.

It is an arithmetic number, because the mean of its divisors is an integer number (55060553218000).

Almost surely, 2^{220100121120211} is an apocalyptic number.

220100121120211 is a deficient number, since it is larger than the sum of its proper divisors (142091751789).

220100121120211 is a wasteful number, since it uses less digits than its factorization.

220100121120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142091751788.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220100121120211 its reverse (112021121001022), we get a palindrome (332121242121233).

The spelling of 220100121120211 in words is "two hundred twenty trillion, one hundred billion, one hundred twenty-one million, one hundred twenty thousand, two hundred eleven".