10203232121011 has 2 divisors, whose sum is σ = 10203232121012. Its totient is φ = 10203232121010.

The previous prime is 10203232121003. The next prime is 10203232121143. The reversal of 10203232121011 is 11012123230201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10203232121011 - 2³ = 10203232121003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10203232121011.

It is not a weakly prime, because it can be changed into another prime (10203232121711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101616060505 + 5101616060506.

It is an arithmetic number, because the mean of its divisors is an integer number (5101616060506).

Almost surely, 2^{10203232121011} is an apocalyptic number.

10203232121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203232121011 is an equidigital number, since it uses as much as digits as its factorization.

10203232121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10203232121011 its reverse (11012123230201), we get a palindrome (21215355351212).

The spelling of 10203232121011 in words is "ten trillion, two hundred three billion, two hundred thirty-two million, one hundred twenty-one thousand, eleven".