221012220101122 has 8 divisors (see below), whose sum is σ = 338571911644416. Its totient is φ = 108154916219652.

The previous prime is 221012220101111. The next prime is 221012220101131. The reversal of 221012220101122 is 221101022210122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221012220101122.

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, 1175596915338 + ... + 1175596915525.

It is an arithmetic number, because the mean of its divisors is an integer number (42321488955552).

Almost surely, 2^{221012220101122} is an apocalyptic number.

221012220101122 is a deficient number, since it is larger than the sum of its proper divisors (117559691543294).

221012220101122 is a wasteful number, since it uses less digits than its factorization.

221012220101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351193830912.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221012220101122 its reverse (221101022210122), we get a palindrome (442113242311244).

The spelling of 221012220101122 in words is "two hundred twenty-one trillion, twelve billion, two hundred twenty million, one hundred one thousand, one hundred twenty-two".