221230120022 has 4 divisors (see below), whose sum is σ = 331845180036. Its totient is φ = 110615060010.

The previous prime is 221230120003. The next prime is 221230120037. The reversal of 221230120022 is 220021032122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55307530004 + ... + 55307530007.

It is an arithmetic number, because the mean of its divisors is an integer number (82961295009).

Almost surely, 2^221230120022 is an apocalyptic number.

221230120022 is a deficient number, since it is larger than the sum of its proper divisors (110615060014).

221230120022 is a wasteful number, since it uses less digits than its factorization.

221230120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110615060013.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221230120022 its reverse (220021032122), we get a palindrome (441251152144).

The spelling of 221230120022 in words is "two hundred twenty-one billion, two hundred thirty million, one hundred twenty thousand, twenty-two".