220202110121021 has 8 divisors (see below), whose sum is σ = 251660430730560. Its totient is φ = 188744008588128.

The previous prime is 220202110120999. The next prime is 220202110121039. The reversal of 220202110121021 is 120121011202022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220202110121021 - 2³⁴ = 220184930251837 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 (220202110126021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52609616 + ... + 56640761.

It is an arithmetic number, because the mean of its divisors is an integer number (31457553841320).

Almost surely, 2^{220202110121021} is an apocalyptic number.

It is an amenable number.

220202110121021 is a deficient number, since it is larger than the sum of its proper divisors (31458320609539).

220202110121021 is a wasteful number, since it uses less digits than its factorization.

220202110121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109538323.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220202110121021 its reverse (120121011202022), we get a palindrome (340323121323043).

The spelling of 220202110121021 in words is "two hundred twenty trillion, two hundred two billion, one hundred ten million, one hundred twenty-one thousand, twenty-one".