20203030121001 has 192 divisors, whose sum is σ = 35381417932800. Its totient is φ = 10024834240512.

The previous prime is 20203030120967. The next prime is 20203030121069. The reversal of 20203030121001 is 10012103030202.

It is not a de Polignac number, because 20203030121001 - 2⁹ = 20203030120489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20203030121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 686159586 + ... + 686189028.

It is an arithmetic number, because the mean of its divisors is an integer number (184278218400).

Almost surely, 2^{20203030121001} is an apocalyptic number.

20203030121001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20203030121001 is a deficient number, since it is larger than the sum of its proper divisors (15178387811799).

20203030121001 is a wasteful number, since it uses less digits than its factorization.

20203030121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29680 (or 29667 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20203030121001 its reverse (10012103030202), we get a palindrome (30215133151203).

The spelling of 20203030121001 in words is "twenty trillion, two hundred three billion, thirty million, one hundred twenty-one thousand, one".