210310011132221 has 64 divisors (see below), whose sum is σ = 298261807742976. Its totient is φ = 142987725619200.

The previous prime is 210310011132131. The next prime is 210310011132233. The reversal of 210310011132221 is 122231110013012.

It is a de Polignac number, because none of the positive numbers 2^k-210310011132221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210310011132193 and 210310011132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210310011132721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77472836 + ... + 80141501.

It is an arithmetic number, because the mean of its divisors is an integer number (4660340745984).

Almost surely, 2^{210310011132221} is an apocalyptic number.

It is an amenable number.

210310011132221 is a deficient number, since it is larger than the sum of its proper divisors (87951796610755).

210310011132221 is a wasteful number, since it uses less digits than its factorization.

210310011132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157614442.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 210310011132221 its reverse (122231110013012), we get a palindrome (332541121145233).

The spelling of 210310011132221 in words is "two hundred ten trillion, three hundred ten billion, eleven million, one hundred thirty-two thousand, two hundred twenty-one".