22141020305421 has 24 divisors (see below), whose sum is σ = 32312070194040. Its totient is φ = 14608105629696.

The previous prime is 22141020305357. The next prime is 22141020305473. The reversal of 22141020305421 is 12450302014122.

22141020305421 is a `hidden beast` number, since 2 + 2 + 1 + 410 + 203 + 0 + 5 + 42 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6675764062500 + 15465256242921 = 2583750^2 + 3932589^2 .

It is not a de Polignac number, because 22141020305421 - 2⁶ = 22141020305357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141020375421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33186795 + ... + 33847383.

It is an arithmetic number, because the mean of its divisors is an integer number (1346336258085).

Almost surely, 2^{22141020305421} is an apocalyptic number.

It is an amenable number.

22141020305421 is a deficient number, since it is larger than the sum of its proper divisors (10171049888619).

22141020305421 is a wasteful number, since it uses less digits than its factorization.

22141020305421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699085 (or 699082 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 22141020305421 its reverse (12450302014122), we get a palindrome (34591322319543).

The spelling of 22141020305421 in words is "twenty-two trillion, one hundred forty-one billion, twenty million, three hundred five thousand, four hundred twenty-one".