21022000102 has 8 divisors (see below), whose sum is σ = 33192631800. Its totient is φ = 9957789504.

The previous prime is 21022000091. The next prime is 21022000123. The reversal of 21022000102 is 20100022012.

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

It is a congruent number.

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, 276605227 + ... + 276605302.

It is an arithmetic number, because the mean of its divisors is an integer number (4149078975).

Almost surely, 2^21022000102 is an apocalyptic number.

21022000102 is a deficient number, since it is larger than the sum of its proper divisors (12170631698).

21022000102 is a wasteful number, since it uses less digits than its factorization.

21022000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553210550.

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

Adding to 21022000102 its reverse (20100022012), we get a palindrome (41122022114).

The spelling of 21022000102 in words is "twenty-one billion, twenty-two million, one hundred two", and thus it is an aban number.