221313132021130 has 8 divisors (see below), whose sum is σ = 398363637638052. Its totient is φ = 88525252808448.

The previous prime is 221313132021109. The next prime is 221313132021131. The reversal of 221313132021130 is 31120231313122.

It can be written as a sum of positive squares in 2 ways, for example, as 220277335278049 + 1035796743081 = 14841743^2 + 1017741^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 221313132021095 and 221313132021104.

It is not an unprimeable number, because it can be changed into a prime (221313132021131) 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, 11065656601047 + ... + 11065656601066.

Almost surely, 2^{221313132021130} is an apocalyptic number.

221313132021130 is a deficient number, since it is larger than the sum of its proper divisors (177050505616922).

221313132021130 is a wasteful number, since it uses less digits than its factorization.

221313132021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131313202120.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 221313132021130 its reverse (31120231313122), we get a palindrome (252433363334252).

The spelling of 221313132021130 in words is "two hundred twenty-one trillion, three hundred thirteen billion, one hundred thirty-two million, twenty-one thousand, one hundred thirty".