100011210121002 has 64 divisors (see below), whose sum is σ = 207613755408384. Its totient is φ = 32091596608320.

The previous prime is 100011210120931. The next prime is 100011210121027. The reversal of 100011210121002 is 200121012110001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22843477 + ... + 26867207.

It is an arithmetic number, because the mean of its divisors is an integer number (3243964928256).

Almost surely, 2^{100011210121002} is an apocalyptic number.

100011210121002 is an abundant number, since it is smaller than the sum of its proper divisors (107602545287382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100011210121002 is a wasteful number, since it uses less digits than its factorization.

100011210121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024963.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100011210121002 its reverse (200121012110001), we get a palindrome (300132222231003).

The spelling of 100011210121002 in words is "one hundred trillion, eleven billion, two hundred ten million, one hundred twenty-one thousand, two".