201111020122 has 32 divisors (see below), whose sum is σ = 317051804160. Its totient is φ = 95548800960.

The previous prime is 201111020107. The next prime is 201111020129. The reversal of 201111020122 is 221020111102.

201111020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201111020122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201111020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3088048 + ... + 3152500.

It is an arithmetic number, because the mean of its divisors is an integer number (9907868880).

Almost surely, 2^201111020122 is an apocalyptic number.

201111020122 is a deficient number, since it is larger than the sum of its proper divisors (115940784038).

201111020122 is a wasteful number, since it uses less digits than its factorization.

201111020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65398.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201111020122 its reverse (221020111102), we get a palindrome (422131131224).

The spelling of 201111020122 in words is "two hundred one billion, one hundred eleven million, twenty thousand, one hundred twenty-two".