221211340222000 has 80 divisors (see below), whose sum is σ = 547935094534464. Its totient is φ = 86326376640000.

The previous prime is 221211340221943. The next prime is 221211340222043. The reversal of 221211340222000 is 222043112122.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348767636 + ... + 1348931635.

Almost surely, 2^{221211340222000} is an apocalyptic number.

221211340222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221211340222000 is an abundant number, since it is smaller than the sum of its proper divisors (326723754312464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221211340222000 is a wasteful number, since it uses less digits than its factorization.

221211340222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697699335 (or 2697699319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221211340222000 its reverse (222043112122), we get a palindrome (221433383334122).

The spelling of 221211340222000 in words is "two hundred twenty-one trillion, two hundred eleven billion, three hundred forty million, two hundred twenty-two thousand".