100121210012003 has 8 divisors (see below), whose sum is σ = 101546145190656. Its totient is φ = 98696685313800.

The previous prime is 100121210011967. The next prime is 100121210012101. The reversal of 100121210012003 is 300210012121001.

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

It is a cyclic number.

It is not a de Polignac number, because 100121210012003 - 2³⁰ = 100120136270179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121210018003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102128801 + ... + 103104482.

It is an arithmetic number, because the mean of its divisors is an integer number (12693268148832).

Almost surely, 2^{100121210012003} is an apocalyptic number.

100121210012003 is a deficient number, since it is larger than the sum of its proper divisors (1424935178653).

100121210012003 is an equidigital number, since it uses as much as digits as its factorization.

100121210012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205240225.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100121210012003 its reverse (300210012121001), we get a palindrome (400331222133004).

The spelling of 100121210012003 in words is "one hundred trillion, one hundred twenty-one billion, two hundred ten million, twelve thousand, three".