1011213122122 has 16 divisors (see below), whose sum is σ = 1759381467840. Its totient is φ = 426908737728.

The previous prime is 1011213122107. The next prime is 1011213122131. The reversal of 1011213122122 is 2212213121101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011213122122.

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, 539025247 + ... + 539027122.

It is an arithmetic number, because the mean of its divisors is an integer number (109961341740).

Almost surely, 2^{1011213122122} is an apocalyptic number.

1011213122122 is a deficient number, since it is larger than the sum of its proper divisors (748168345718).

1011213122122 is a wasteful number, since it uses less digits than its factorization.

1011213122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078052445.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1011213122122 its reverse (2212213121101), we get a palindrome (3223426243223).

The spelling of 1011213122122 in words is "one trillion, eleven billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred twenty-two".