21101084362 has 8 divisors (see below), whose sum is σ = 31731354756. Its totient is φ = 10523966112.

The previous prime is 21101084359. The next prime is 21101084363. The reversal of 21101084362 is 26348010112.

It can be written as a sum of positive squares in 2 ways, for example, as 20372138361 + 728946001 = 142731^2 + 26999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21101084362² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21101084362.

It is not an unprimeable number, because it can be changed into a prime (21101084363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13287043 + ... + 13288630.

Almost surely, 2^21101084362 is an apocalyptic number.

21101084362 is a deficient number, since it is larger than the sum of its proper divisors (10630270394).

21101084362 is a wasteful number, since it uses less digits than its factorization.

21101084362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26576072.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 21101084362 its reverse (26348010112), we get a palindrome (47449094474).

The spelling of 21101084362 in words is "twenty-one billion, one hundred one million, eighty-four thousand, three hundred sixty-two".