101212131133 has 4 divisors (see below), whose sum is σ = 101213010720. Its totient is φ = 101211251548.

The previous prime is 101212131131. The next prime is 101212131191. The reversal of 101212131133 is 331131212101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 101212131133 - 2¹ = 101212131131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101212131133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212131131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235585 + ... + 507862.

It is an arithmetic number, because the mean of its divisors is an integer number (25303252680).

Almost surely, 2^101212131133 is an apocalyptic number.

It is an amenable number.

101212131133 is a deficient number, since it is larger than the sum of its proper divisors (879587).

101212131133 is an equidigital number, since it uses as much as digits as its factorization.

101212131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879586.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 101212131133 its reverse (331131212101), we get a palindrome (432343343234).

The spelling of 101212131133 in words is "one hundred one billion, two hundred twelve million, one hundred thirty-one thousand, one hundred thirty-three".