201112225055 has 32 divisors (see below), whose sum is σ = 289007308800. Its totient is φ = 131357584512.

The previous prime is 201112225043. The next prime is 201112225057. The reversal of 201112225055 is 550522211102.

It is a happy number.

It is not a de Polignac number, because 201112225055 - 2¹⁰ = 201112224031 is a prime.

It is a super-2 number, since 2×201112225055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112225057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330260 + ... + 715049.

It is an arithmetic number, because the mean of its divisors is an integer number (9031478400).

Almost surely, 2^201112225055 is an apocalyptic number.

201112225055 is a deficient number, since it is larger than the sum of its proper divisors (87895083745).

201112225055 is a wasteful number, since it uses less digits than its factorization.

201112225055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045583.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 201112225055 its reverse (550522211102), we get a palindrome (751634436157).

The spelling of 201112225055 in words is "two hundred one billion, one hundred twelve million, two hundred twenty-five thousand, fifty-five".