221012202095 has 4 divisors (see below), whose sum is σ = 265214642520. Its totient is φ = 176809761672.

The previous prime is 221012202067. The next prime is 221012202109. The reversal of 221012202095 is 590202210122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221012202095 is a prime.

It is a super-2 number, since 2×221012202095² (a number of 23 digits) contains 22 as substring.

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, 22101220205 + ... + 22101220214.

It is an arithmetic number, because the mean of its divisors is an integer number (66303660630).

Almost surely, 2^221012202095 is an apocalyptic number.

221012202095 is a deficient number, since it is larger than the sum of its proper divisors (44202440425).

221012202095 is an equidigital number, since it uses as much as digits as its factorization.

221012202095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44202440424.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 221012202095 in words is "two hundred twenty-one billion, twelve million, two hundred two thousand, ninety-five".