1011122121022 has 48 divisors (see below), whose sum is σ = 1724655875040. Its totient is φ = 441901220544.

The previous prime is 1011122121013. The next prime is 1011122121077. The reversal of 1011122121022 is 2201212211101.

It is a junction number, because it is equal to n+sod(n) for n = 1011122120987 and 1011122121005.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 20746879 + ... + 20795557.

It is an arithmetic number, because the mean of its divisors is an integer number (35930330730).

Almost surely, 2^{1011122121022} is an apocalyptic number.

1011122121022 is a deficient number, since it is larger than the sum of its proper divisors (713533754018).

1011122121022 is a wasteful number, since it uses less digits than its factorization.

1011122121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50945 (or 50926 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011122121022 its reverse (2201212211101), we get a palindrome (3212334332123).

The spelling of 1011122121022 in words is "one trillion, eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".