203121041213001 has 16 divisors (see below), whose sum is σ = 275938506926784. Its totient is φ = 132858810537024.

The previous prime is 203121041212889. The next prime is 203121041213003. The reversal of 203121041213001 is 100312140121302.

It is not a de Polignac number, because 203121041213001 - 2³³ = 203112451278409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203121041213003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171976870 + ... + 173153936.

It is an arithmetic number, because the mean of its divisors is an integer number (17246156682924).

Almost surely, 2^{203121041213001} is an apocalyptic number.

It is an amenable number.

203121041213001 is a deficient number, since it is larger than the sum of its proper divisors (72817465713783).

203121041213001 is a wasteful number, since it uses less digits than its factorization.

203121041213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262440.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 203121041213001 its reverse (100312140121302), we get a palindrome (303433181334303).

The spelling of 203121041213001 in words is "two hundred three trillion, one hundred twenty-one billion, forty-one million, two hundred thirteen thousand, one".