10221434420408 has 16 divisors (see below), whose sum is σ = 19165933597560. Its totient is φ = 5110518794400.

The previous prime is 10221434420401. The next prime is 10221434420413. The reversal of 10221434420408 is 80402443412201.

It is a super-2 number, since 2×10221434420408² (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 (10221434420401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24582923 + ... + 24995258.

Almost surely, 2^{10221434420408} is an apocalyptic number.

It is an amenable number.

10221434420408 is a deficient number, since it is larger than the sum of its proper divisors (8944499177152).

10221434420408 is a wasteful number, since it uses less digits than its factorization.

10221434420408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49603958 (or 49603954 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 10221434420408 its reverse (80402443412201), we get a palindrome (90623877832609).

The spelling of 10221434420408 in words is "ten trillion, two hundred twenty-one billion, four hundred thirty-four million, four hundred twenty thousand, four hundred eight".