103213000121 has 24 divisors (see below), whose sum is σ = 129681179712. Its totient is φ = 80410096800.

The previous prime is 103213000073. The next prime is 103213000169. The reversal of 103213000121 is 121000312301.

It is an interprime number because it is at equal distance from previous prime (103213000073) and next prime (103213000169).

It is not a de Polignac number, because 103213000121 - 2³⁰ = 102139258297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103213000096 and 103213000105.

It is not an unprimeable number, because it can be changed into a prime (103213000421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6406286 + ... + 6422376.

It is an arithmetic number, because the mean of its divisors is an integer number (5403382488).

Almost surely, 2^103213000121 is an apocalyptic number.

103213000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103213000121 is a deficient number, since it is larger than the sum of its proper divisors (26468179591).

103213000121 is a wasteful number, since it uses less digits than its factorization.

103213000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23693 (or 23682 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103213000121 its reverse (121000312301), we get a palindrome (224213312422).

The spelling of 103213000121 in words is "one hundred three billion, two hundred thirteen million, one hundred twenty-one", and thus it is an aban number.