21322301112 has 64 divisors (see below), whose sum is σ = 67689849600. Its totient is φ = 6092085600.

The previous prime is 21322301101. The next prime is 21322301149. The reversal of 21322301112 is 21110322312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 7049514 + ... + 7052537.

It is an arithmetic number, because the mean of its divisors is an integer number (1057653900).

Almost surely, 2^21322301112 is an apocalyptic number.

It is an amenable number.

21322301112 is an abundant number, since it is smaller than the sum of its proper divisors (46367548488).

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

21322301112 is a wasteful number, since it uses less digits than its factorization.

21322301112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14102073 (or 14102063 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21322301112 its reverse (21110322312), we get a palindrome (42432623424).

The spelling of 21322301112 in words is "twenty-one billion, three hundred twenty-two million, three hundred one thousand, one hundred twelve".