203000102233121 has 16 divisors (see below), whose sum is σ = 207790736140800. Its totient is φ = 198229513996800.

The previous prime is 203000102233111. The next prime is 203000102233147. The reversal of 203000102233121 is 121332201000302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203000102233121 is a prime.

It is a super-2 number, since 2×203000102233121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203000102233093 and 203000102233102.

It is not an unprimeable number, because it can be changed into a prime (203000102233111) 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, 44473721 + ... + 48825321.

It is an arithmetic number, because the mean of its divisors is an integer number (12986921008800).

Almost surely, 2^{203000102233121} is an apocalyptic number.

It is an amenable number.

203000102233121 is a deficient number, since it is larger than the sum of its proper divisors (4790633907679).

203000102233121 is a wasteful number, since it uses less digits than its factorization.

203000102233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353904.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203000102233121 its reverse (121332201000302), we get a palindrome (324332303233423).

The spelling of 203000102233121 in words is "two hundred three trillion, one hundred two million, two hundred thirty-three thousand, one hundred twenty-one".