2136220502231 has 32 divisors (see below), whose sum is σ = 2375424584640. Its totient is φ = 1911754285056.

The previous prime is 2136220502219. The next prime is 2136220502267. The reversal of 2136220502231 is 1322050226312.

It is a cyclic number.

It is not a de Polignac number, because 2136220502231 - 2⁶ = 2136220502167 is a prime.

It is a super-2 number, since 2×2136220502231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 2136220502194 and 2136220502203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136220502291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189493211 + ... + 189504483.

It is an arithmetic number, because the mean of its divisors is an integer number (74232018270).

Almost surely, 2^{2136220502231} is an apocalyptic number.

2136220502231 is a deficient number, since it is larger than the sum of its proper divisors (239204082409).

2136220502231 is a wasteful number, since it uses less digits than its factorization.

2136220502231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17123.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 2136220502231 its reverse (1322050226312), we get a palindrome (3458270728543).

The spelling of 2136220502231 in words is "two trillion, one hundred thirty-six billion, two hundred twenty million, five hundred two thousand, two hundred thirty-one".