102133012211231 has 4 divisors (see below), whose sum is σ = 102147113145192. Its totient is φ = 102118911277272.

The previous prime is 102133012211221. The next prime is 102133012211267. The reversal of 102133012211231 is 132112210331201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102133012211231 is a prime.

It is a super-2 number, since 2×102133012211231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102133012211197 and 102133012211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102133012211221) 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, 7050456116 + ... + 7050470601.

It is an arithmetic number, because the mean of its divisors is an integer number (25536778286298).

Almost surely, 2^{102133012211231} is an apocalyptic number.

102133012211231 is a deficient number, since it is larger than the sum of its proper divisors (14100933961).

102133012211231 is an equidigital number, since it uses as much as digits as its factorization.

102133012211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14100933960.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 102133012211231 its reverse (132112210331201), we get a palindrome (234245222542432).

The spelling of 102133012211231 in words is "one hundred two trillion, one hundred thirty-three billion, twelve million, two hundred eleven thousand, two hundred thirty-one".