1121020121222 has 8 divisors (see below), whose sum is σ = 1681558788000. Its totient is φ = 560500525224.

The previous prime is 1121020121219. The next prime is 1121020121231. The reversal of 1121020121222 is 2221210201211.

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

It is a super-2 number, since 2×1121020121222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121020121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4619822 + ... + 4856417.

It is an arithmetic number, because the mean of its divisors is an integer number (210194848500).

Almost surely, 2^{1121020121222} is an apocalyptic number.

1121020121222 is a deficient number, since it is larger than the sum of its proper divisors (560538666778).

1121020121222 is an equidigital number, since it uses as much as digits as its factorization.

1121020121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9535390.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121020121222 its reverse (2221210201211), we get a palindrome (3342230322433).

The spelling of 1121020121222 in words is "one trillion, one hundred twenty-one billion, twenty million, one hundred twenty-one thousand, two hundred twenty-two".