1011120222122 has 4 divisors (see below), whose sum is σ = 1516680333186. Its totient is φ = 505560111060.

The previous prime is 1011120222113. The next prime is 1011120222137. The reversal of 1011120222122 is 2212220211101.

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

It can be written as a sum of positive squares in only one way, i.e., 656665501801 + 354454720321 = 810349^2 + 595361^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1011120222122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252780055529 + ... + 252780055532.

Almost surely, 2^{1011120222122} is an apocalyptic number.

1011120222122 is a deficient number, since it is larger than the sum of its proper divisors (505560111064).

1011120222122 is an equidigital number, since it uses as much as digits as its factorization.

1011120222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505560111063.

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

Adding to 1011120222122 its reverse (2212220211101), we get a palindrome (3223340433223).

The spelling of 1011120222122 in words is "one trillion, eleven billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-two".