201121000100002 has 8 divisors (see below), whose sum is σ = 319427470747116. Its totient is φ = 94645176517632.

The previous prime is 201121000099991. The next prime is 201121000100011. The reversal of 201121000100002 is 200001000121102.

It can be written as a sum of positive squares in 2 ways, for example, as 188271850845961 + 12849149254041 = 13721219^2 + 3584571^2 .

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

It is a super-4 number, since 4×201121000100002⁴ (a number of 58 digits) contains 4444 as substring.

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, 2957661766143 + ... + 2957661766210.

Almost surely, 2^{201121000100002} is an apocalyptic number.

201121000100002 is a deficient number, since it is larger than the sum of its proper divisors (118306470647114).

201121000100002 is a wasteful number, since it uses less digits than its factorization.

201121000100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915323532372.

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

Adding to 201121000100002 its reverse (200001000121102), we get a palindrome (401122000221104).

The spelling of 201121000100002 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred thousand, two".