21141224322 has 32 divisors (see below), whose sum is σ = 42687957312. Its totient is φ = 6979724544.

The previous prime is 21141224281. The next prime is 21141224339. The reversal of 21141224322 is 22342214112.

It is a junction number, because it is equal to n+sod(n) for n = 21141224292 and 21141224301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335118 + ... + 393174.

It is an arithmetic number, because the mean of its divisors is an integer number (1333998666).

Almost surely, 2^21141224322 is an apocalyptic number.

21141224322 is an abundant number, since it is smaller than the sum of its proper divisors (21546732990).

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

21141224322 is a wasteful number, since it uses less digits than its factorization.

21141224322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58642.

The product of its digits is 1536, while the sum is 24.

Adding to 21141224322 its reverse (22342214112), we get a palindrome (43483438434).

The spelling of 21141224322 in words is "twenty-one billion, one hundred forty-one million, two hundred twenty-four thousand, three hundred twenty-two".