201000222221111 has 8 divisors (see below), whose sum is σ = 214737079514880. Its totient is φ = 187579154750328.

The previous prime is 201000222221063. The next prime is 201000222221119. The reversal of 201000222221111 is 111122222000102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201000222221111 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 201000222221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000222221119) 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, 78947454431 + ... + 78947456976.

It is an arithmetic number, because the mean of its divisors is an integer number (26842134939360).

Almost surely, 2^{201000222221111} is an apocalyptic number.

201000222221111 is a deficient number, since it is larger than the sum of its proper divisors (13736857293769).

201000222221111 is a wasteful number, since it uses less digits than its factorization.

201000222221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157894911493.

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

Adding to 201000222221111 its reverse (111122222000102), we get a palindrome (312122444221213).

The spelling of 201000222221111 in words is "two hundred one trillion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred eleven".