100220121000002 has 8 divisors (see below), whose sum is σ = 153996771292812. Its totient is φ = 48887863902400.

The previous prime is 100220120999959. The next prime is 100220121000007. The reversal of 100220121000002 is 200000121022001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79652072889601 + 20568048110401 = 8924801^2 + 4535201^2 .

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 (100220121000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611098298699 + ... + 611098298862.

Almost surely, 2^{100220121000002} is an apocalyptic number.

100220121000002 is a deficient number, since it is larger than the sum of its proper divisors (53776650292810).

100220121000002 is a wasteful number, since it uses less digits than its factorization.

100220121000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222196597604.

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

Adding to 100220121000002 its reverse (200000121022001), we get a palindrome (300220242022003).

The spelling of 100220121000002 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, two", and thus it is an aban number.