121333212103 has 4 divisors (see below), whose sum is σ = 121357430488. Its totient is φ = 121308993720.

The previous prime is 121333212097. The next prime is 121333212113. The reversal of 121333212103 is 301212333121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121333212103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333212113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12101676 + ... + 12111697.

It is an arithmetic number, because the mean of its divisors is an integer number (30339357622).

Almost surely, 2^121333212103 is an apocalyptic number.

121333212103 is a deficient number, since it is larger than the sum of its proper divisors (24218385).

121333212103 is an equidigital number, since it uses as much as digits as its factorization.

121333212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218384.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121333212103 its reverse (301212333121), we get a palindrome (422545545224).

The spelling of 121333212103 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred twelve thousand, one hundred three".