21322010212230 has 128 divisors (see below), whose sum is σ = 64446634441728. Its totient is φ = 4394088663552.

The previous prime is 21322010212211. The next prime is 21322010212267. The reversal of 21322010212230 is 3221201022312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 21322010212197 and 21322010212206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90699589 + ... + 90934368.

It is an arithmetic number, because the mean of its divisors is an integer number (503489331576).

Almost surely, 2^{21322010212230} is an apocalyptic number.

21322010212230 is an abundant number, since it is smaller than the sum of its proper divisors (43124624229498).

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

21322010212230 is a wasteful number, since it uses less digits than its factorization.

21322010212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181634030.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21322010212230 its reverse (3221201022312), we get a palindrome (24543211234542).

The spelling of 21322010212230 in words is "twenty-one trillion, three hundred twenty-two billion, ten million, two hundred twelve thousand, two hundred thirty".