221132210313 has 16 divisors (see below), whose sum is σ = 337081982976. Its totient is φ = 126316782480.

The previous prime is 221132210311. The next prime is 221132210347. The reversal of 221132210313 is 313012231122.

It is not a de Polignac number, because 221132210313 - 2¹ = 221132210311 is a prime.

It is a super-3 number, since 3×221132210313³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 221132210313.

It is not an unprimeable number, because it can be changed into a prime (221132210311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792233 + ... + 1911638.

It is an arithmetic number, because the mean of its divisors is an integer number (21067623936).

Almost surely, 2^221132210313 is an apocalyptic number.

It is an amenable number.

221132210313 is a deficient number, since it is larger than the sum of its proper divisors (115949772663).

221132210313 is a wasteful number, since it uses less digits than its factorization.

221132210313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706724.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221132210313 its reverse (313012231122), we get a palindrome (534144441435).

The spelling of 221132210313 in words is "two hundred twenty-one billion, one hundred thirty-two million, two hundred ten thousand, three hundred thirteen".