221303133221012 has 12 divisors (see below), whose sum is σ = 393844559122560. Its totient is φ = 108776116328856.

The previous prime is 221303133221003. The next prime is 221303133221029. The reversal of 221303133221012 is 210122331303122.

It is a super-2 number, since 2×221303133221012² (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, 468862570148 + ... + 468862570619.

It is an arithmetic number, because the mean of its divisors is an integer number (32820379926880).

Almost surely, 2^{221303133221012} is an apocalyptic number.

It is an amenable number.

221303133221012 is a deficient number, since it is larger than the sum of its proper divisors (172541425901548).

221303133221012 is a wasteful number, since it uses less digits than its factorization.

221303133221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937725140830 (or 937725140828 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221303133221012 its reverse (210122331303122), we get a palindrome (431425464524134).

The spelling of 221303133221012 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred thirty-three million, two hundred twenty-one thousand, twelve".