121000200103 has 8 divisors (see below), whose sum is σ = 122087181888. Its totient is φ = 119913502464.

The previous prime is 121000200073. The next prime is 121000200107. The reversal of 121000200103 is 301002000121.

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 121000200103 - 2⁹ = 121000199591 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 121000200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000200107) 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, 836226 + ... + 970192.

It is an arithmetic number, because the mean of its divisors is an integer number (15260897736).

Almost surely, 2^121000200103 is an apocalyptic number.

121000200103 is a deficient number, since it is larger than the sum of its proper divisors (1086981785).

121000200103 is a wasteful number, since it uses less digits than its factorization.

121000200103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142073.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 121000200103 its reverse (301002000121), we get a palindrome (422002200224).

The spelling of 121000200103 in words is "one hundred twenty-one billion, two hundred thousand, one hundred three".