221134342040122 has 64 divisors (see below), whose sum is σ = 393442036697088. Its totient is φ = 91216668672000.

The previous prime is 221134342040107. The next prime is 221134342040177. The reversal of 221134342040122 is 221040243431122.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336478722 + ... + 337135282.

It is an arithmetic number, because the mean of its divisors is an integer number (6147531823392).

Almost surely, 2^{221134342040122} is an apocalyptic number.

221134342040122 is a deficient number, since it is larger than the sum of its proper divisors (172307694656966).

221134342040122 is a wasteful number, since it uses less digits than its factorization.

221134342040122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660815.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 221134342040122 its reverse (221040243431122), we get a palindrome (442174585471244).

The spelling of 221134342040122 in words is "two hundred twenty-one trillion, one hundred thirty-four billion, three hundred forty-two million, forty thousand, one hundred twenty-two".