201222101012111 has 8 divisors (see below), whose sum is σ = 213062283165600. Its totient is φ = 189382317522688.

The previous prime is 201222101012083. The next prime is 201222101012113. The reversal of 201222101012111 is 111210101222102.

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

It is not a de Polignac number, because 201222101012111 - 2⁶ = 201222101012047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 201222101012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222101012113) 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, 98626526 + ... + 100646091.

It is an arithmetic number, because the mean of its divisors is an integer number (26632785395700).

Almost surely, 2^{201222101012111} is an apocalyptic number.

201222101012111 is a deficient number, since it is larger than the sum of its proper divisors (11840182153489).

201222101012111 is a wasteful number, since it uses less digits than its factorization.

201222101012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199332033.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201222101012111 its reverse (111210101222102), we get a palindrome (312432202234213).

The spelling of 201222101012111 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, one hundred eleven".