220201012112021 has 4 divisors (see below), whose sum is σ = 225321965882112. Its totient is φ = 215080058341932.

The previous prime is 220201012111963. The next prime is 220201012112071. The reversal of 220201012112021 is 120211210102022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220201012112021 - 2¹⁴ = 220201012095637 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 (220201012112071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560476884981 + ... + 2560476885066.

It is an arithmetic number, because the mean of its divisors is an integer number (56330491470528).

Almost surely, 2^{220201012112021} is an apocalyptic number.

It is an amenable number.

220201012112021 is a deficient number, since it is larger than the sum of its proper divisors (5120953770091).

220201012112021 is an equidigital number, since it uses as much as digits as its factorization.

220201012112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120953770090.

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

Adding to 220201012112021 its reverse (120211210102022), we get a palindrome (340412222214043).

The spelling of 220201012112021 in words is "two hundred twenty trillion, two hundred one billion, twelve million, one hundred twelve thousand, twenty-one".