22021032121004 has 48 divisors (see below), whose sum is σ = 44941697908800. Its totient is φ = 9437413829760.

The previous prime is 22021032120949. The next prime is 22021032121013. The reversal of 22021032121004 is 40012123012022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101036354 + ... + 101254070.

It is an arithmetic number, because the mean of its divisors is an integer number (936285373100).

Almost surely, 2^{22021032121004} is an apocalyptic number.

It is an amenable number.

22021032121004 is an abundant number, since it is smaller than the sum of its proper divisors (22920665787796).

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

22021032121004 is a wasteful number, since it uses less digits than its factorization.

22021032121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291463 (or 291447 counting only the distinct ones).

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

Adding to 22021032121004 its reverse (40012123012022), we get a palindrome (62033155133026).

The spelling of 22021032121004 in words is "twenty-two trillion, twenty-one billion, thirty-two million, one hundred twenty-one thousand, four".