201212011101022 has 16 divisors (see below), whose sum is σ = 302779487855952. Its totient is φ = 100285534780480.

The previous prime is 201212011101007. The next prime is 201212011101029. The reversal of 201212011101022 is 220101110212102.

It is a super-2 number, since 2×201212011101022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201212011100987 and 201212011101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212011101029) 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 7 ways as a sum of consecutive naturals, for example, 15676113 + ... + 25459075.

It is an arithmetic number, because the mean of its divisors is an integer number (18923717990997).

Almost surely, 2^{201212011101022} is an apocalyptic number.

201212011101022 is a deficient number, since it is larger than the sum of its proper divisors (101567476754930).

201212011101022 is a wasteful number, since it uses less digits than its factorization.

201212011101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815723.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201212011101022 its reverse (220101110212102), we get a palindrome (421313121313124).

The spelling of 201212011101022 in words is "two hundred one trillion, two hundred twelve billion, eleven million, one hundred one thousand, twenty-two".