21435211130 has 16 divisors (see below), whose sum is σ = 38887188480. Its totient is φ = 8506571472.

The previous prime is 21435211103. The next prime is 21435211139. The reversal of 21435211130 is 3111253412.

It is a super-4 number, since 4×21435211130⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21435211096 and 21435211105.

It is not an unprimeable number, because it can be changed into a prime (21435211139) 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, 8437790 + ... + 8440329.

It is an arithmetic number, because the mean of its divisors is an integer number (2430449280).

Almost surely, 2^21435211130 is an apocalyptic number.

21435211130 is a deficient number, since it is larger than the sum of its proper divisors (17451977350).

21435211130 is a wasteful number, since it uses less digits than its factorization.

21435211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16878253.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 21435211130 its reverse (3111253412), we get a palindrome (24546464542).

The spelling of 21435211130 in words is "twenty-one billion, four hundred thirty-five million, two hundred eleven thousand, one hundred thirty".