220121100011 has 8 divisors (see below), whose sum is σ = 229161879120. Its totient is φ = 211177014048.

The previous prime is 220121099981. The next prime is 220121100061. The reversal of 220121100011 is 110001121022.

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 220121100011 - 2²⁶ = 220053991147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220121099965 and 220121100001.

It is not an unprimeable number, because it can be changed into a prime (220121100061) 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, 24168641 + ... + 24177746.

It is an arithmetic number, because the mean of its divisors is an integer number (28645234890).

Almost surely, 2^220121100011 is an apocalyptic number.

220121100011 is a deficient number, since it is larger than the sum of its proper divisors (9040779109).

220121100011 is a wasteful number, since it uses less digits than its factorization.

220121100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48346573.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220121100011 its reverse (110001121022), we get a palindrome (330122221033).

The spelling of 220121100011 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred thousand, eleven".