22121130331004 has 24 divisors (see below), whose sum is σ = 38849082913200. Its totient is φ = 11021435103744.

The previous prime is 22121130330979. The next prime is 22121130331007. The reversal of 22121130331004 is 40013303112122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121130331007) 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, 3272309 + ... + 7412844.

It is an arithmetic number, because the mean of its divisors is an integer number (1618711788050).

Almost surely, 2^{22121130331004} is an apocalyptic number.

It is an amenable number.

22121130331004 is a deficient number, since it is larger than the sum of its proper divisors (16727952582196).

22121130331004 is a wasteful number, since it uses less digits than its factorization.

22121130331004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686989 (or 10686987 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22121130331004 its reverse (40013303112122), we get a palindrome (62134433443126).

The spelling of 22121130331004 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-one thousand, four".