220021111202201 has 8 divisors (see below), whose sum is σ = 227727463375104. Its totient is φ = 212352815090160.

The previous prime is 220021111202161. The next prime is 220021111202209. The reversal of 220021111202201 is 102202111120022.

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

It is not a de Polignac number, because 220021111202201 - 2²⁶ = 220021044093337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220021111202201.

It is not an unprimeable number, because it can be changed into a prime (220021111202209) 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, 9514003451 + ... + 9514026576.

It is an arithmetic number, because the mean of its divisors is an integer number (28465932921888).

Almost surely, 2^{220021111202201} is an apocalyptic number.

It is an amenable number.

220021111202201 is a deficient number, since it is larger than the sum of its proper divisors (7706352172903).

220021111202201 is a wasteful number, since it uses less digits than its factorization.

220021111202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028030431.

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

Adding to 220021111202201 its reverse (102202111120022), we get a palindrome (322223222322223).

The spelling of 220021111202201 in words is "two hundred twenty trillion, twenty-one billion, one hundred eleven million, two hundred two thousand, two hundred one".