221313104398 has 16 divisors (see below), whose sum is σ = 343199719584. Its totient is φ = 106952810400.

The previous prime is 221313104381. The next prime is 221313104399. The reversal of 221313104398 is 893401313122.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221313104399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9891865 + ... + 9914212.

It is an arithmetic number, because the mean of its divisors is an integer number (21449982474).

Almost surely, 2^221313104398 is an apocalyptic number.

221313104398 is a deficient number, since it is larger than the sum of its proper divisors (121886615186).

221313104398 is a wasteful number, since it uses less digits than its factorization.

221313104398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19806267.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 221313104398 in words is "two hundred twenty-one billion, three hundred thirteen million, one hundred four thousand, three hundred ninety-eight".