10011221002 has 8 divisors (see below), whose sum is σ = 15383095812. Its totient is φ = 4883522400.

The previous prime is 10011220979. The next prime is 10011221029. The reversal of 10011221002 is 20012211001.

It can be written as a sum of positive squares in 2 ways, for example, as 8348294161 + 1662926841 = 91369^2 + 40779^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10011221002.

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, 61043949 + ... + 61044112.

Almost surely, 2^10011221002 is an apocalyptic number.

10011221002 is a deficient number, since it is larger than the sum of its proper divisors (5371874810).

10011221002 is a wasteful number, since it uses less digits than its factorization.

10011221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122088104.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10011221002 its reverse (20012211001), we get a palindrome (30023432003).

The spelling of 10011221002 in words is "ten billion, eleven million, two hundred twenty-one thousand, two".