201222022101011 has 4 divisors (see below), whose sum is σ = 201222108580992. Its totient is φ = 201221935621032.

The previous prime is 201222022100999. The next prime is 201222022101019. The reversal of 201222022101011 is 110101220222102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201222022101011 - 2³⁰ = 201220948359187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201222022101019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39650456 + ... + 44436501.

It is an arithmetic number, because the mean of its divisors is an integer number (50305527145248).

Almost surely, 2^{201222022101011} is an apocalyptic number.

201222022101011 is a deficient number, since it is larger than the sum of its proper divisors (86479981).

201222022101011 is an equidigital number, since it uses as much as digits as its factorization.

201222022101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86479980.

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

Adding to 201222022101011 its reverse (110101220222102), we get a palindrome (311323242323113).

The spelling of 201222022101011 in words is "two hundred one trillion, two hundred twenty-two billion, twenty-two million, one hundred one thousand, eleven".