201000000222111 has 16 divisors (see below), whose sum is σ = 270779856401664. Its totient is φ = 132612620088384.

The previous prime is 201000000222103. The next prime is 201000000222149. The reversal of 201000000222111 is 111222000000102.

It is not a de Polignac number, because 201000000222111 - 2³ = 201000000222103 is a prime.

It is a super-3 number, since 3×201000000222111³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000000222011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318183046 + ... + 318814131.

It is an arithmetic number, because the mean of its divisors is an integer number (16923741025104).

Almost surely, 2^{201000000222111} is an apocalyptic number.

201000000222111 is a deficient number, since it is larger than the sum of its proper divisors (69779856179553).

201000000222111 is a wasteful number, since it uses less digits than its factorization.

201000000222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636998270.

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

Adding to 201000000222111 its reverse (111222000000102), we get a palindrome (312222000222213).

The spelling of 201000000222111 in words is "two hundred one trillion, two hundred twenty-two thousand, one hundred eleven".