200221011020001 has 4 divisors (see below), whose sum is σ = 266961348026672. Its totient is φ = 133480674013332.

The previous prime is 200221011019969. The next prime is 200221011020021. The reversal of 200221011020001 is 100020110122002.

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 not a de Polignac number, because 200221011020001 - 2⁵ = 200221011019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200221011020021) 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, 33370168503331 + ... + 33370168503336.

It is an arithmetic number, because the mean of its divisors is an integer number (66740337006668).

Almost surely, 2^{200221011020001} is an apocalyptic number.

It is an amenable number.

200221011020001 is a deficient number, since it is larger than the sum of its proper divisors (66740337006671).

200221011020001 is an equidigital number, since it uses as much as digits as its factorization.

200221011020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66740337006670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200221011020001 its reverse (100020110122002), we get a palindrome (300241121142003).

The spelling of 200221011020001 in words is "two hundred trillion, two hundred twenty-one billion, eleven million, twenty thousand, one".