201122011211012 has 18 divisors (see below), whose sum is σ = 367931618811918. Its totient is φ = 96188787969472.

The previous prime is 201122011210921. The next prime is 201122011211053. The reversal of 201122011211012 is 210112110221102.

It can be written as a sum of positive squares in only one way, i.e., 197979701916676 + 3142309294336 = 14070526^2 + 1772656^2 .

It is a super-2 number, since 2×201122011211012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 47524102613 + ... + 47524106844.

It is an arithmetic number, because the mean of its divisors is an integer number (20440645489551).

Almost surely, 2^{201122011211012} is an apocalyptic number.

It is an amenable number.

201122011211012 is a deficient number, since it is larger than the sum of its proper divisors (166809607600906).

201122011211012 is a wasteful number, since it uses less digits than its factorization.

201122011211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95048209507 (or 95048209482 counting only the distinct ones).

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

Adding to 201122011211012 its reverse (210112110221102), we get a palindrome (411234121432114).

The spelling of 201122011211012 in words is "two hundred one trillion, one hundred twenty-two billion, eleven million, two hundred eleven thousand, twelve".