220000021102121 has 8 divisors (see below), whose sum is σ = 249392736472320. Its totient is φ = 192388682421072.

The previous prime is 220000021102109. The next prime is 220000021102129. The reversal of 220000021102121 is 121201120000022.

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 220000021102121 - 2³⁸ = 219725143195177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220000021102096 and 220000021102105.

It is not an unprimeable number, because it can be changed into a prime (220000021102129) 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, 445344172025 + ... + 445344172518.

It is an arithmetic number, because the mean of its divisors is an integer number (31174092059040).

Almost surely, 2^{220000021102121} is an apocalyptic number.

It is an amenable number.

220000021102121 is a deficient number, since it is larger than the sum of its proper divisors (29392715370199).

220000021102121 is a wasteful number, since it uses less digits than its factorization.

220000021102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890688344575.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220000021102121 its reverse (121201120000022), we get a palindrome (341201141102143).

The spelling of 220000021102121 in words is "two hundred twenty trillion, twenty-one million, one hundred two thousand, one hundred twenty-one".