22121304010004 has 24 divisors (see below), whose sum is σ = 40027105395648. Its totient is φ = 10690030650560.

The previous prime is 22121304009977. The next prime is 22121304010007. The reversal of 22121304010004 is 40001040312122.

It is a super-2 number, since 2×22121304010004² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121304010007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630290864 + ... + 630325959.

It is an arithmetic number, because the mean of its divisors is an integer number (1667796058152).

Almost surely, 2^{22121304010004} is an apocalyptic number.

It is an amenable number.

22121304010004 is a deficient number, since it is larger than the sum of its proper divisors (17905801385644).

22121304010004 is a wasteful number, since it uses less digits than its factorization.

22121304010004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260616975 (or 1260616973 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22121304010004 its reverse (40001040312122), we get a palindrome (62122344322126).

The spelling of 22121304010004 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred four million, ten thousand, four".