21022000110002 has 8 divisors (see below), whose sum is σ = 31534082484636. Its totient is φ = 10510639281792.

The previous prime is 21022000109843. The next prime is 21022000110121. The reversal of 21022000110002 is 20001100022012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17083763829001 + 3938236281001 = 4133251^2 + 1984499^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180313763 + ... + 180430310.

Almost surely, 2^{21022000110002} is an apocalyptic number.

21022000110002 is a deficient number, since it is larger than the sum of its proper divisors (10512082374634).

21022000110002 is a wasteful number, since it uses less digits than its factorization.

21022000110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360773212.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21022000110002 its reverse (20001100022012), we get a palindrome (41023100132014).

The spelling of 21022000110002 in words is "twenty-one trillion, twenty-two billion, one hundred ten thousand, two".