201222010022111 has 16 divisors (see below), whose sum is σ = 218157963660000. Its totient is φ = 184494281409408.

The previous prime is 201222010022081. The next prime is 201222010022177. The reversal of 201222010022111 is 111220010222102.

It is a cyclic number.

It is not a de Polignac number, because 201222010022111 - 2²² = 201222005827807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201222010022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222010022311) 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, 149834465 + ... + 151171461.

It is an arithmetic number, because the mean of its divisors is an integer number (13634872728750).

Almost surely, 2^{201222010022111} is an apocalyptic number.

201222010022111 is a deficient number, since it is larger than the sum of its proper divisors (16935953637889).

201222010022111 is a wasteful number, since it uses less digits than its factorization.

201222010022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414858.

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

Adding to 201222010022111 its reverse (111220010222102), we get a palindrome (312442020244213).

The spelling of 201222010022111 in words is "two hundred one trillion, two hundred twenty-two billion, ten million, twenty-two thousand, one hundred eleven".