1011121122122 has 16 divisors (see below), whose sum is σ = 1606182737472. Its totient is φ = 475737412800.

The previous prime is 1011121122107. The next prime is 1011121122133. The reversal of 1011121122122 is 2212211211101.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1011121122122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2439158 + ... + 2823425.

It is an arithmetic number, because the mean of its divisors is an integer number (100386421092).

Almost surely, 2^{1011121122122} is an apocalyptic number.

1011121122122 is a deficient number, since it is larger than the sum of its proper divisors (595061615350).

1011121122122 is a wasteful number, since it uses less digits than its factorization.

1011121122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268253.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1011121122122 its reverse (2212211211101), we get a palindrome (3223332333223).

The spelling of 1011121122122 in words is "one trillion, eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".