10221000002 has 8 divisors (see below), whose sum is σ = 15332557500. Its totient is φ = 5110147504.

The previous prime is 10221000001. The next prime is 10221000019. The reversal of 10221000002 is 20000012201.

It can be written as a sum of positive squares in 2 ways, for example, as 8983437961 + 1237562041 = 94781^2 + 35179^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10221000001) 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, 138377 + ... + 198972.

Almost surely, 2^10221000002 is an apocalyptic number.

10221000002 is a deficient number, since it is larger than the sum of its proper divisors (5111557498).

10221000002 is a wasteful number, since it uses less digits than its factorization.

10221000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352500.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10221000002 its reverse (20000012201), we get a palindrome (30221012203).

The spelling of 10221000002 in words is "ten billion, two hundred twenty-one million, two", and thus it is an aban number.