10121123003 has 4 divisors (see below), whose sum is σ = 10243064328. Its totient is φ = 9999181680.

The previous prime is 10121122981. The next prime is 10121123029. The reversal of 10121123003 is 30032112101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30032112101 = 19 ⋅1580637479.

It is a cyclic number.

It is not a de Polignac number, because 10121123003 - 2⁸ = 10121122747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121123063) 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, 60970538 + ... + 60970703.

It is an arithmetic number, because the mean of its divisors is an integer number (2560766082).

Almost surely, 2^10121123003 is an apocalyptic number.

10121123003 is a deficient number, since it is larger than the sum of its proper divisors (121941325).

10121123003 is an equidigital number, since it uses as much as digits as its factorization.

10121123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121941324.

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

Adding to 10121123003 its reverse (30032112101), we get a palindrome (40153235104).

The spelling of 10121123003 in words is "ten billion, one hundred twenty-one million, one hundred twenty-three thousand, three".