221042365102 has 8 divisors (see below), whose sum is σ = 357068435976. Its totient is φ = 102019553112.

The previous prime is 221042365079. The next prime is 221042365111. The reversal of 221042365102 is 201563240122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250814688 + ... + 4250814739.

It is an arithmetic number, because the mean of its divisors is an integer number (44633554497).

Almost surely, 2^221042365102 is an apocalyptic number.

221042365102 is a deficient number, since it is larger than the sum of its proper divisors (136026070874).

221042365102 is a wasteful number, since it uses less digits than its factorization.

221042365102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501629442.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 221042365102 in words is "two hundred twenty-one billion, forty-two million, three hundred sixty-five thousand, one hundred two".