2221120020122 has 8 divisors (see below), whose sum is σ = 3331835106996. Its totient is φ = 1110508317792.

The previous prime is 2221120020121. The next prime is 2221120020137. The reversal of 2221120020122 is 2210200211222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2159456701081 + 61663319041 = 1469509^2 + 248321^2 .

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 2221120020122.

It is not an unprimeable number, because it can be changed into a prime (2221120020121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25792403 + ... + 25878374.

Almost surely, 2^{2221120020122} is an apocalyptic number.

2221120020122 is a deficient number, since it is larger than the sum of its proper divisors (1110715086874).

2221120020122 is a wasteful number, since it uses less digits than its factorization.

2221120020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51692272.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221120020122 its reverse (2210200211222), we get a palindrome (4431320231344).

The spelling of 2221120020122 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, twenty thousand, one hundred twenty-two".