221111020210201 has 8 divisors (see below), whose sum is σ = 242461825272864. Its totient is φ = 199968515685120.

The previous prime is 221111020210193. The next prime is 221111020210291. The reversal of 221111020210201 is 102012020111122.

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

It is a cyclic number.

It is not a de Polignac number, because 221111020210201 - 2³ = 221111020210193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221111020210291) 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, 52075132171 + ... + 52075136416.

It is an arithmetic number, because the mean of its divisors is an integer number (30307728159108).

Almost surely, 2^{221111020210201} is an apocalyptic number.

It is an amenable number.

221111020210201 is a deficient number, since it is larger than the sum of its proper divisors (21350805062663).

221111020210201 is a wasteful number, since it uses less digits than its factorization.

221111020210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104150268791.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221111020210201 its reverse (102012020111122), we get a palindrome (323123040321323).

The spelling of 221111020210201 in words is "two hundred twenty-one trillion, one hundred eleven billion, twenty million, two hundred ten thousand, two hundred one".