202221112001004 has 30 divisors (see below), whose sum is σ = 528645931682484. Its totient is φ = 67407037333560.

The previous prime is 202221112001003. The next prime is 202221112001059. The reversal of 202221112001004 is 400100211122202.

202221112001004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202221112001003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 312069616962 + ... + 312069617609.

Almost surely, 2^{202221112001004} is an apocalyptic number.

It is an amenable number.

202221112001004 is an abundant number, since it is smaller than the sum of its proper divisors (326424819681480).

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

202221112001004 is a wasteful number, since it uses less digits than its factorization.

202221112001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624139234587 (or 624139234576 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202221112001004 its reverse (400100211122202), we get a palindrome (602321323123206).

The spelling of 202221112001004 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twelve million, one thousand, four".