221135298047 has 8 divisors (see below), whose sum is σ = 221945947776. Its totient is φ = 220325360032.

The previous prime is 221135298029. The next prime is 221135298101. The reversal of 221135298047 is 740892531122.

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

It is a cyclic number.

It is not a de Polignac number, because 221135298047 - 2⁸ = 221135297791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221135297989 and 221135298007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221135898047) 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, 448658 + ... + 802224.

It is an arithmetic number, because the mean of its divisors is an integer number (27743243472).

Almost surely, 2^221135298047 is an apocalyptic number.

221135298047 is a deficient number, since it is larger than the sum of its proper divisors (810649729).

221135298047 is a wasteful number, since it uses less digits than its factorization.

221135298047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355857.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 221135298047 in words is "two hundred twenty-one billion, one hundred thirty-five million, two hundred ninety-eight thousand, forty-seven".