220001521355053 has 8 divisors (see below), whose sum is σ = 220047989040000. Its totient is φ = 219955057661808.

The previous prime is 220001521355029. The next prime is 220001521355123. The reversal of 220001521355053 is 350553125100022.

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 220001521355053 - 2⁹ = 220001521354541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001521355153) 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, 110556723 + ... + 112529071.

It is an arithmetic number, because the mean of its divisors is an integer number (27505998630000).

Almost surely, 2^{220001521355053} is an apocalyptic number.

It is an amenable number.

220001521355053 is a deficient number, since it is larger than the sum of its proper divisors (46467684947).

220001521355053 is a wasteful number, since it uses less digits than its factorization.

220001521355053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995851.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 220001521355053 its reverse (350553125100022), we get a palindrome (570554646455075).

The spelling of 220001521355053 in words is "two hundred twenty trillion, one billion, five hundred twenty-one million, three hundred fifty-five thousand, fifty-three".