1011100321122 has 128 divisors (see below), whose sum is σ = 2148480246528. Its totient is φ = 316784332800.

The previous prime is 1011100321117. The next prime is 1011100321141. The reversal of 1011100321122 is 2211230011101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 921695278 + ... + 921696374.

It is an arithmetic number, because the mean of its divisors is an integer number (16785001926).

Almost surely, 2^{1011100321122} is an apocalyptic number.

1011100321122 is an abundant number, since it is smaller than the sum of its proper divisors (1137379925406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011100321122 is a wasteful number, since it uses less digits than its factorization.

1011100321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1011100321122 its reverse (2211230011101), we get a palindrome (3222330332223).

The spelling of 1011100321122 in words is "one trillion, eleven billion, one hundred million, three hundred twenty-one thousand, one hundred twenty-two".