221020101120201 has 32 divisors (see below), whose sum is σ = 302321549967360. Its totient is φ = 143561020970304.

The previous prime is 221020101120191. The next prime is 221020101120277. The reversal of 221020101120201 is 102021101020122.

It is not a de Polignac number, because 221020101120201 - 2⁷ = 221020101120073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221020101120601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497524856 + ... + 1497672438.

It is an arithmetic number, because the mean of its divisors is an integer number (9447548436480).

Almost surely, 2^{221020101120201} is an apocalyptic number.

It is an amenable number.

221020101120201 is a deficient number, since it is larger than the sum of its proper divisors (81301448847159).

221020101120201 is a wasteful number, since it uses less digits than its factorization.

221020101120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195485.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221020101120201 its reverse (102021101020122), we get a palindrome (323041202140323).

The spelling of 221020101120201 in words is "two hundred twenty-one trillion, twenty billion, one hundred one million, one hundred twenty thousand, two hundred one".