1011221121022 has 16 divisors (see below), whose sum is σ = 1789441984512. Its totient is φ = 419400464760.

The previous prime is 1011221120993. The next prime is 1011221121059. The reversal of 1011221121022 is 2201211221101.

It is a junction number, because it is equal to n+sod(n) for n = 1011221120987 and 1011221121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165000858 + ... + 1165001725.

It is an arithmetic number, because the mean of its divisors is an integer number (111840124032).

Almost surely, 2^{1011221121022} is an apocalyptic number.

1011221121022 is a deficient number, since it is larger than the sum of its proper divisors (778220863490).

1011221121022 is a wasteful number, since it uses less digits than its factorization.

1011221121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330002623.

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

Adding to 1011221121022 its reverse (2201211221101), we get a palindrome (3212432342123).

The spelling of 1011221121022 in words is "one trillion, eleven billion, two hundred twenty-one million, one hundred twenty-one thousand, twenty-two".