212101333131 has 8 divisors (see below), whose sum is σ = 290445068944. Its totient is φ = 137579243040.

The previous prime is 212101333111. The next prime is 212101333177. The reversal of 212101333131 is 131333101212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212101333131 - 2¹¹ = 212101331083 is a prime.

It is a super-2 number, since 2×212101333131² (a number of 23 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 = 212101333098 and 212101333107.

It is not an unprimeable number, because it can be changed into a prime (212101333111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955411300 + ... + 955411521.

It is an arithmetic number, because the mean of its divisors is an integer number (36305633618).

Almost surely, 2^212101333131 is an apocalyptic number.

212101333131 is a deficient number, since it is larger than the sum of its proper divisors (78343735813).

212101333131 is a wasteful number, since it uses less digits than its factorization.

212101333131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910822861.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 212101333131 its reverse (131333101212), we get a palindrome (343434434343).

The spelling of 212101333131 in words is "two hundred twelve billion, one hundred one million, three hundred thirty-three thousand, one hundred thirty-one".