100121022003 has 8 divisors (see below), whose sum is σ = 133518358528. Its totient is φ = 66735516744.

The previous prime is 100121021951. The next prime is 100121022007. The reversal of 100121022003 is 300220121001.

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

It is not a de Polignac number, because 100121022003 - 2⁶ = 100121021939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100121022003.

It is not an unprimeable number, because it can be changed into a prime (100121022007) 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, 2938051 + ... + 2971932.

It is an arithmetic number, because the mean of its divisors is an integer number (16689794816).

Almost surely, 2^100121022003 is an apocalyptic number.

100121022003 is a deficient number, since it is larger than the sum of its proper divisors (33397336525).

100121022003 is an equidigital number, since it uses as much as digits as its factorization.

100121022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915633.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100121022003 its reverse (300220121001), we get a palindrome (400341143004).

The spelling of 100121022003 in words is "one hundred billion, one hundred twenty-one million, twenty-two thousand, three".