21022010002 has 16 divisors (see below), whose sum is σ = 36089157312. Its totient is φ = 8996576400.

The previous prime is 21022009999. The next prime is 21022010069. The reversal of 21022010002 is 20001022012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061208 + ... + 1080835.

It is an arithmetic number, because the mean of its divisors is an integer number (2255572332).

Almost surely, 2^21022010002 is an apocalyptic number.

21022010002 is a deficient number, since it is larger than the sum of its proper divisors (15067147310).

21022010002 is a wasteful number, since it uses less digits than its factorization.

21022010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142753.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 21022010002 its reverse (20001022012), we get a palindrome (41023032014).

The spelling of 21022010002 in words is "twenty-one billion, twenty-two million, ten thousand, two".