221252313050 has 24 divisors (see below), whose sum is σ = 413993565216. Its totient is φ = 87970976240.

The previous prime is 221252313041. The next prime is 221252313083. The reversal of 221252313050 is 50313252122.

It is a happy number.

It is a super-3 number, since 3×221252313050³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13240292 + ... + 13256991.

It is an arithmetic number, because the mean of its divisors is an integer number (17249731884).

Almost surely, 2^221252313050 is an apocalyptic number.

221252313050 is a deficient number, since it is larger than the sum of its proper divisors (192741252166).

221252313050 is a wasteful number, since it uses less digits than its factorization.

221252313050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26497462 (or 26497457 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 221252313050 its reverse (50313252122), we get a palindrome (271565565172).

The spelling of 221252313050 in words is "two hundred twenty-one billion, two hundred fifty-two million, three hundred thirteen thousand, fifty".