220121000201021 has 8 divisors (see below), whose sum is σ = 221448643234560. Its totient is φ = 218793470896528.

The previous prime is 220121000200993. The next prime is 220121000201107. The reversal of 220121000201021 is 120102000121022.

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 220121000201021 - 2¹⁴ = 220121000184637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220121000200987 and 220121000201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121000201321) 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, 24548021 + ... + 32293146.

It is an arithmetic number, because the mean of its divisors is an integer number (27681080404320).

Almost surely, 2^{220121000201021} is an apocalyptic number.

It is an amenable number.

220121000201021 is a deficient number, since it is larger than the sum of its proper divisors (1327643033539).

220121000201021 is a wasteful number, since it uses less digits than its factorization.

220121000201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56864523.

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

Adding to 220121000201021 its reverse (120102000121022), we get a palindrome (340223000322043).

The spelling of 220121000201021 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred one thousand, twenty-one".