21422107035 has 24 divisors (see below), whose sum is σ = 42436174560. Its totient is φ = 9792963072.

The previous prime is 21422107019. The next prime is 21422107037. The reversal of 21422107035 is 53070122412.

It is not a de Polignac number, because 21422107035 - 2⁴ = 21422107019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21422107037) 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, 34003030 + ... + 34003659.

It is an arithmetic number, because the mean of its divisors is an integer number (1768173940).

Almost surely, 2^21422107035 is an apocalyptic number.

21422107035 is a deficient number, since it is larger than the sum of its proper divisors (21014067525).

21422107035 is a wasteful number, since it uses less digits than its factorization.

21422107035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68006707 (or 68006704 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 21422107035 its reverse (53070122412), we get a palindrome (74492229447).

The spelling of 21422107035 in words is "twenty-one billion, four hundred twenty-two million, one hundred seven thousand, thirty-five".