100121000111002 has 32 divisors (see below), whose sum is σ = 163520230648320. Its totient is φ = 45700355131200.

The previous prime is 100121000110973. The next prime is 100121000111009. The reversal of 100121000111002 is 200111000121001.

It is a self number, because there is not a number n which added to its sum of digits gives 100121000111002.

It is not an unprimeable number, because it can be changed into a prime (100121000111009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19270602 + ... + 23908117.

It is an arithmetic number, because the mean of its divisors is an integer number (5110007207760).

Almost surely, 2^{100121000111002} is an apocalyptic number.

100121000111002 is a deficient number, since it is larger than the sum of its proper divisors (63399230537318).

100121000111002 is a wasteful number, since it uses less digits than its factorization.

100121000111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43179718.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100121000111002 its reverse (200111000121001), we get a palindrome (300232000232003).

Subtracting 100121000111002 from its reverse (200111000121001), we obtain a palindrome (99990000009999).

The spelling of 100121000111002 in words is "one hundred trillion, one hundred twenty-one billion, one hundred eleven thousand, two".