201122001122 has 32 divisors (see below), whose sum is σ = 356900342400. Its totient is φ = 83169047808.

The previous prime is 201122001121. The next prime is 201122001131. The reversal of 201122001122 is 221100221102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 201122001097 and 201122001106.

It is not an unprimeable number, because it can be changed into a prime (201122001121) 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, 471029 + ... + 790007.

It is an arithmetic number, because the mean of its divisors is an integer number (11153135700).

Almost surely, 2^201122001122 is an apocalyptic number.

201122001122 is a deficient number, since it is larger than the sum of its proper divisors (155778341278).

201122001122 is a wasteful number, since it uses less digits than its factorization.

201122001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320570.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201122001122 its reverse (221100221102), we get a palindrome (422222222224).

The spelling of 201122001122 in words is "two hundred one billion, one hundred twenty-two million, one thousand, one hundred twenty-two".