221311121343094 has 8 divisors (see below), whose sum is σ = 332722870357680. Its totient is φ = 110403497890536.

The previous prime is 221311121343073. The next prime is 221311121343107. The reversal of 221311121343094 is 490343121113122.

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

It is a super-2 number, since 2×221311121343094² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126031389409 + ... + 126031391164.

It is an arithmetic number, because the mean of its divisors is an integer number (41590358794710).

Almost surely, 2^{221311121343094} is an apocalyptic number.

221311121343094 is a deficient number, since it is larger than the sum of its proper divisors (111411749014586).

221311121343094 is a wasteful number, since it uses less digits than its factorization.

221311121343094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252062781014.

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

The spelling of 221311121343094 in words is "two hundred twenty-one trillion, three hundred eleven billion, one hundred twenty-one million, three hundred forty-three thousand, ninety-four".