210133012121231 has 4 divisors (see below), whose sum is σ = 215258207538864. Its totient is φ = 205007816703600.

The previous prime is 210133012121209. The next prime is 210133012121239. The reversal of 210133012121231 is 132121210331012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210133012121231 - 2³⁴ = 210115832252047 is a prime.

It is a super-2 number, since 2×210133012121231² (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 = 210133012121197 and 210133012121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210133012121239) 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, 2562597708755 + ... + 2562597708836.

It is an arithmetic number, because the mean of its divisors is an integer number (53814551884716).

Almost surely, 2^{210133012121231} is an apocalyptic number.

210133012121231 is a deficient number, since it is larger than the sum of its proper divisors (5125195417633).

210133012121231 is an equidigital number, since it uses as much as digits as its factorization.

210133012121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125195417632.

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

Adding to 210133012121231 its reverse (132121210331012), we get a palindrome (342254222452243).

The spelling of 210133012121231 in words is "two hundred ten trillion, one hundred thirty-three billion, twelve million, one hundred twenty-one thousand, two hundred thirty-one".