1011233203101 has 24 divisors (see below), whose sum is σ = 1593490073760. Its totient is φ = 612856418400.

The previous prime is 1011233203081. The next prime is 1011233203111. The reversal of 1011233203101 is 1013023321101.

1011233203101 is a `hidden beast` number, since 1 + 0 + 11 + 23 + 320 + 310 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1011233203101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011233203111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8990830 + ... + 9102608.

It is an arithmetic number, because the mean of its divisors is an integer number (66395419740).

Almost surely, 2^{1011233203101} is an apocalyptic number.

1011233203101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011233203101 is a deficient number, since it is larger than the sum of its proper divisors (582256870659).

1011233203101 is a wasteful number, since it uses less digits than its factorization.

1011233203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203177 (or 203174 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011233203101 its reverse (1013023321101), we get a palindrome (2024256524202).

The spelling of 1011233203101 in words is "one trillion, eleven billion, two hundred thirty-three million, two hundred three thousand, one hundred one".