1011221022122 has 16 divisors (see below), whose sum is σ = 1595731600800. Its totient is φ = 479901500400.

The previous prime is 1011221022113. The next prime is 1011221022169. The reversal of 1011221022122 is 2212201221101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011221022122.

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, 147749504 + ... + 147756347.

It is an arithmetic number, because the mean of its divisors is an integer number (99733225050).

Almost surely, 2^{1011221022122} is an apocalyptic number.

1011221022122 is a deficient number, since it is larger than the sum of its proper divisors (584510578678).

1011221022122 is a wasteful number, since it uses less digits than its factorization.

1011221022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295505941.

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

Adding to 1011221022122 its reverse (2212201221101), we get a palindrome (3223422243223).

The spelling of 1011221022122 in words is "one trillion, eleven billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-two".