201211224104 has 32 divisors (see below), whose sum is σ = 422691890400. Its totient is φ = 88987763520.

The previous prime is 201211224091. The next prime is 201211224131. The reversal of 201211224104 is 401422112102.

It is a super-2 number, since 2×201211224104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30895274 + ... + 30901785.

It is an arithmetic number, because the mean of its divisors is an integer number (13209121575).

Almost surely, 2^201211224104 is an apocalyptic number.

It is an amenable number.

201211224104 is an abundant number, since it is smaller than the sum of its proper divisors (221480666296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211224104 is a wasteful number, since it uses less digits than its factorization.

201211224104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61797113 (or 61797109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201211224104 its reverse (401422112102), we get a palindrome (602633336206).

The spelling of 201211224104 in words is "two hundred one billion, two hundred eleven million, two hundred twenty-four thousand, one hundred four".