10121100001203 has 64 divisors (see below), whose sum is σ = 14337480867840. Its totient is φ = 6341741808000.

The previous prime is 10121100001189. The next prime is 10121100001247. The reversal of 10121100001203 is 30210000112101.

10121100001203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10121100001203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121100041203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 258785776 + ... + 258824882.

It is an arithmetic number, because the mean of its divisors is an integer number (224023138560).

Almost surely, 2^{10121100001203} is an apocalyptic number.

10121100001203 is a deficient number, since it is larger than the sum of its proper divisors (4216380866637).

10121100001203 is a wasteful number, since it uses less digits than its factorization.

10121100001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39768.

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

Adding to 10121100001203 its reverse (30210000112101), we get a palindrome (40331100113304).

The spelling of 10121100001203 in words is "ten trillion, one hundred twenty-one billion, one hundred million, one thousand, two hundred three".