10111212033 has 24 divisors (see below), whose sum is σ = 14614994880. Its totient is φ = 6215227200.

The previous prime is 10111211993. The next prime is 10111212101. The reversal of 10111212033 is 33021211101.

It is a happy number.

It is not a de Polignac number, because 10111212033 - 2⁸ = 10111211777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111212533) 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, 455083 + ... + 476783.

It is an arithmetic number, because the mean of its divisors is an integer number (608958120).

Almost surely, 2^10111212033 is an apocalyptic number.

10111212033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10111212033 is a deficient number, since it is larger than the sum of its proper divisors (4503782847).

10111212033 is a wasteful number, since it uses less digits than its factorization.

10111212033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22649 (or 22636 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10111212033 its reverse (33021211101), we get a palindrome (43132423134).

The spelling of 10111212033 in words is "ten billion, one hundred eleven million, two hundred twelve thousand, thirty-three".